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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/xandresho	2021-03-13	Post	`5`	English	Turkish
u/crookedsublim	2021-02-16	Post	`5`	English	Turkish
u/azu_rill	2021-03-29	Post	`5`	English	Turkish
u/bonjourkatebyacine	2021-02-19	Post	`5`	English	Turkish
u/ambitious-sun2532	2021-03-07	Post	`5`	English (Native)	Turkish

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