Yes, it just means that there are 9 people from vlemmy that have subbed to that community. This bit is a bit confusing, for example if nobody had subbed to it yet from vlemmy then it would show 0 subs.

Hey, you should be able to search for it, this may help you: https://lemdit.com/post/18035

I am able to find it from vlemmy:

Note that it won’t show up in the search results if you are not logged in.