Take a look at the multilang filter - or better still the multilang2 filter and atto plugin in the database
https://moodle.org/plugins/search.php?s=multilang2&search=Search+plugins
Take a look at the multilang filter - or better still the multilang2 filter and atto plugin in the database
https://moodle.org/plugins/search.php?s=multilang2&search=Search+plugins