For some Jira instances JQL does not return any results when @user used

Question

I would like to know if there exists any JQL instruction to query in which issues I (or any other user) was specifically "mentioned"?

Tomas Gustavsson_mf0n45 · Answer

well, then you shall try text search

unknown · Answer

This is not actually I was asking about. My question was about mentioning users in 'description' or 'comment' to get list of issues.

Tomas Gustavsson_mf0n45 · Answer

Mentioned as in text, or reporter or assignee?

text search, e.g
text ~ "Nataliia Terentyak"

or 
reporter = currentUser()
or
assignee = currentUser()

Maybe some of the above works?