> you can search by email and find matches
What I read says that there are no email addresses in this list. What do you mean "search by email", if there are no email addresses to search by?
Fron the first page of this thread
https://thelibertydaily.com/8-4-billion-passwords-hacked-leaked-online-check-to-see-if-yours-is-among-them/
First and foremost, you can check to see if your passwords were hacked and posted online. Check your email addresses here and check your passwords here.
https://cybernews.com/personal-data-leak-check/
https://cybernews.com/password-leak-check/