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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/fun_elevator_7497	2025-02-01	Post	`8`	German, Russian	English
u/maria_mart	2024-12-29	Post	`6`	German, Russian	---
u/olejr98v2	2025-01-05	Post	`6`	German, Russian	---
u/huhrua	2025-01-08	Post	`6`	German, Russian	---
u/himmel__7	2025-01-17	Post	`6`	German (B1), Hindi (C1)	---

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