I found the following users who may fit your language exchange criteria:

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/past_nothing_5560	2025-03-18	Post	`6`	---	Bosnian, Croatian, Serbian
u/flakyswordfish5331	2025-03-14	Post	`5`	French	English
u/ok_diamond_7257	2025-03-13	Post	`5`	French	English
u/adlate6470	2025-04-02	Post	`5`	French	English
u/awkward_grand_9237	2025-05-24	Post	`5`	French	English

Please feel free to comment on the above posts to get in contact with their authors.