Sometimes I have no idea what tag to use on my questions. I look at the "popular tags" list but none of them are appropriate. I type a few characters of some words that describe what my question is about but none of the suggestions are right either. Sometimes I'm lucky and a good tag will pop up because the three or four letters I typed in are in the middle of that tag, but this happens rarely.
Most of the time I will find a tag that sort-of fits and post my question. A lot of the time someone more knowledgeable than me will edit my question by adding the correct tags (and possibly removing the original tag). Should I keep doing this or is there some other way of finding appropriate tags that I'm not yet aware of?