Reply to May you add languages filter to the forum?
Below is a topic in which @jarvie has puts forth a good suggestion on the topic and I chime in with an alternative suggestion in the comment section. A filter will work great or sub-forms for different languages would be good as well.
https://monsters.tokenbb.io/topics/jarvie/tokenbb-topic-one-method-to-easily-sol-1559136566383