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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/peachachu	2021-09-23	Post	`5`	English	Turkish
u/misharioza	2021-09-25	Post	`5`	English	Turkish
u/flashystorm	2021-09-08	Post	`5`	English	Turkish
u/panchovilla_	2021-11-06	Post	`5`	English (Native)	Turkish
u/dark_axolotl	2021-11-02	Post	`5`	English	Turkish

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