You should check the multilanguage filter https://docs.moodle.org/311/en/Multi-language_content_filter
If you think that could be useful I would version 2 since it's simpler to use: https://moodle.org/plugins/filter_multilang2
If you think that could be useful I would version 2 since it's simpler to use: https://moodle.org/plugins/filter_multilang2