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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/aecio_f	2020-10-05	Post	4	---	English, Russian
u/ice-kagen	2020-10-22	Post	4	---	English, Russian
u/moraesdiguinho	2020-11-04	Post	4	---	English, Russian
u/nikitavy	2020-08-31	Post	4	---	Czech, English
u/demanhoven	2020-11-05	Post	4	---	English, Russian

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

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^{Hermes: a bot for r/Language_Exchange | Documentation}