Google index display Japanese characters on search result - Joomla! Forum - community, help and support

hello,

i'm looking website indexed google japanese characters, while website looks , displays fine.
characters similar thread found earlier: http://uupload.ir/files/388p_cours_service_issue.png
few days ago i've updated joomla 3.6.4, same extensions. site stats shows problem started 3 weeks ago, , joomla update didn't change anything.

here fpa:

problem description :: forum post assistant (v1.2.7) : 29th october 2016 wrote:google index displays japanese characters

forum post assistant (v1.2.7) : 29th october 2016 wrote:

basic environment :: wrote:joomla! instance :: .- ()
joomla! configured :: yes | read-only (444) | owner: (uid: /gid: ) | group: (gid: ) | valid for: 1.6
configuration options :: offline: 1 | sef: 1 | sef suffix: 0 | sef rewrite: 0 | .htaccess/web.config: yes | gzip: 0 | cache: 0 | ftp layer: 0 | ssl: 0 | error reporting: default | site debug: 0 | database credentials present: yes

host configuration :: os: linux | os version: 4.0.6 brocade-gut | technology: x86_64 | web server: ideawebserver/v0.80.3 (like apache) | encoding: gzip, deflate | doc root: /joomla | system tmp writable: yes

php configuration :: version: 5.4.43 | php api: ucgi5 | session path writable: yes | display errors: 1 | error reporting: 22519 | log errors to: | last known error: | register globals: | magic quotes: | safe mode: | open base: | uploads: 1 | max. upload size: 64m | max. post size: 64m | max. input time: -1 | max. execution time: 30 | memory limit: 192m

mysql configuration :: version: 5.5.51-38.1-log (client:mysqlnd 5.0.10 - 20111026 - $id: c85105d7c6f7d70d609bb4c000257868a40840ab $) | host: --protected-- (--protected--) | collation: latin2_general_ci (character set: latin2) | database size: 10.02 mib | #of tables: 71

detailed environment :: wrote:php extensions :: core (5.4.43) | date (5.4.43) | ereg () | libxml () | openssl () | pcre () | sqlite3 (0.7) | zlib (2.0) | bcmath () | bz2 () | cairo (0.3.2-beta) | calendar () | ctype () | curl () | dba () | dbase (5.1.0) | dom (20031129) | hash (1.0) | fileinfo (1.0.5) | filter (0.11.0) | ftp () | gd () | geoip (1.1.0) | gettext () | spl (0.2) | iconv () | imagick (3.1.2) | session () | intl (1.1.0) | json (1.2.1) | ldap () | mailparse (2.1.6) | mbstring () | mcrypt () | standard (5.4.43) | imap () | memcached (2.2.0) | mssql () | mysqlnd (mysqlnd 5.0.10 - 20111026 - $id: c85105d7c6f7d70d609bb4c000257868a40840ab $) | mysql (1.0) | mysqli (0.1) | odbc (1.0) | pdflib (3.0.4) | pdo (1.0.4dev) | pdo_dblib (1.0.1) | pdo_mysql (1.0.2) | pdo_odbc (1.0.1) | pdo_pgsql (1.0.2) | pdo_sqlite (1.0.1) | pgsql () | phar (2.0.1) | posix () | pspell () | redis (2.2.5) | reflection ($id: f6367cdb4e3f392af4a6d441a6641de87c2e50c4 $) | shmop () | simplexml (0.1) | soap () | sockets () | ssh2 (0.12) | exif (1.4 $id: 7f95ff43ea7cc9a2c41a912863ed70069c0e34c5 $) | sysvmsg () | sysvsem () | sysvshm () | tidy (2.0) | tokenizer (0.1) | translit (0.6.0) | wddx () | xml () | xmlreader (0.1) | xmlrpc (0.51) | xmlwriter (0.1) | xsl (0.1) | zip (1.11.0) | mhash () | ioncube loader () | zend opcache (7.0.4fe) | zend guard loader () | zend engine (2.4.0) |
potential missing extensions :: suhosin |

switch user environment (experimental) :: php cgi: no | server su: no | php su: no | custom su (litespeed/cloud/grid): yes
potential ownership issues: no

folder permissions :: wrote:core folders :: images/ (755) | components/ (755) | modules/ (755) | plugins/ (755) | language/ (755) | templates/ (755) | cache/ (755) | logs/ (755) | tmp/ (755) | administrator/components/ (755) | administrator/modules/ (755) | administrator/language/ (755) | administrator/templates/ (755) |

elevated permissions (first 10) ::

extensions discovered :: wrote:components :: site :: com_wrapper (3.0.0) | com_mailto (3.0.0) |
components :: admin :: com_users (3.0.0) | com_content (3.0.0) | com_joomlaupdate (3.6.2) | com_contenthistory (3.2.0) | com_finder (3.0.0) | com_banners (3.0.0) | com_languages (3.0.0) | com_plugins (3.0.0) | com_checkin (3.0.0) | com_postinstall (3.2.0) | com_messages (3.0.0) | com_menus (3.0.0) | com_search (3.0.0) | com_redirect (3.0.0) | com_tags (3.1.0) | com_login (3.0.0) | com_categories (3.0.0) | com_installer (3.0.0) | com_ajax (3.2.0) | com_cache (3.0.0) | com_newsfeeds (3.0.0) | com_cpanel (3.0.0) | com_phocamaps (3.0.1) | com_templates (3.0.0) | com_modules (3.0.0) | com_admin (3.0.0) | com_media (3.0.0) | com_config (3.0.0) |

modules :: site :: mod_banners (3.0.0) | mod_finder (3.0.0) | mod_articles_categories (3.0.0) | mod_random_image (3.0.0) | mod_languages (3.5.0) | mod_breadcrumbs (3.0.0) | mod_stats (3.0.0) | mod_feed (3.0.0) | mod_tags_similar (3.1.0) | mod_articles_category (3.0.0) | mod_articles_news (3.0.0) | mod_tags_popular (3.1.0) | mod_related_items (3.0.0) | mod_footer (3.0.0) | mod_articles_archive (3.0.0) | mod_users_latest (3.0.0) | mod_articles_latest (3.0.0) | mod_login (3.0.0) | mod_custom (3.0.0) | icurrency nbp, ecb cbr (2.1) | mod_wrapper (3.0.0) | mod_articles_popular (3.0.0) | mod_menu (3.0.0) | mod_weather_gk4 (1.7.3) | mod_whosonline (3.0.0) | mod_search (3.0.0) | money.pl (1.7.0) | mod_syndicate (3.0.0) |
modules :: admin :: mod_title (3.0.0) | mod_submenu (3.0.0) | mod_multilangstatus (3.0.0) | mod_status (3.0.0) | mod_logged (3.0.0) | mod_version (3.0.0) | mod_feed (3.0.0) | mod_popular (3.0.0) | mod_latest (3.0.0) | mod_toolbar (3.0.0) | mod_stats_admin (3.0.0) | mod_quickicon (3.0.0) | mod_login (3.0.0) | mod_custom (3.0.0) | mod_menu (3.0.0) |

plugins :: site :: plg_twofactorauth_totp (3.2.0) | plg_twofactorauth_yubikey (3.2.0) | plg_extension_joomla (3.0.0) | plg_editors_codemirror (5.18.0) | plg_editors_tinymce (4.4.3) | plg_system_remember (3.0.0) | plg_system_updatenotification (3.5.0) | plg_system_cache (3.0.0) | plg_system_highlight (3.0.0) | plg_system_redirect (3.0.0) | plg_system_ciacho (2.5.1) | plg_system_p3p (3.0.0) | plg_system_debug (3.0.0) | plg_system_stats (3.5.0) | plg_system_logout (3.0.0) | plg_system_log (3.0.0) | plg_system_languagecode (3.0.0) | plg_system_languagefilter (3.0.0) | plg_system_sef (3.0.0) | plg_installer_folderinstaller (3.6.0) | plg_installer_packageinstaller (3.6.0) | plg_installer_urlinstaller (3.6.0) | plg_search_contacts (3.0.0) | plg_search_categories (3.0.0) | plg_search_tags (3.0.0) | plg_search_newsfeeds (3.0.0) | plg_search_content (3.0.0) | plg_user_profile (3.0.0) | plg_user_contactcreator (3.0.0) | plg_user_joomla (3.0.0) | plg_captcha_recaptcha (3.4.0) | plg_content_vote (3.0.0) | plg_content_pagenavigation (3.0.0) | plg_content_emailcloak (3.0.0) | plg_content_loadmodule (3.0.0) | plg_content_pagebreak (3.0.0) | plg_content_joomla (3.0.0) | plg_content_finder (3.0.0) | plg_editors-xtd_module (3.5.0) | plg_editors-xtd_article (3.0.0) | plg_editors-xtd_readmore (3.0.0) | plg_editors-xtd_pagebreak (3.0.0) | plg_editors-xtd_image (3.0.0) | plg_finder_contacts (3.0.0) | plg_finder_categories (3.0.0) | plg_finder_tags (3.0.0) | plg_finder_newsfeeds (3.0.0) | plg_finder_content (3.0.0) | plg_quickicon_extensionupdate (3.0.0) | plg_quickicon_joomlaupdate (3.0.0) | plg_authentication_gmail (3.0.0) | plg_authentication_joomla (3.0.0) | plg_authentication_ldap (3.0.0) | plg_authentication_cookie (3.0.0) |

templates discovered :: wrote:templates :: site :: protostar (1.0) | smartone (3.2) | beez3 (3.1.0) |
templates :: admin :: hathor (3.0.0) | isis (1.0) |

i kindly ask hints might solve problem

have checked .htaccess file?