I went to the search page, typed in "knott's berry farm," pressed enter and it came up with nothing. I did this several times. Then I tried searching only the "Parks General" forum, still nothing. I know that Knott's has been mentioned sometime in MP history. In fact, there is a current thread on it in the parks section. Why is this happening to me?

Try it without the apostrophe. Not sure why that works, but it did for me.

And unless it gives you TOO broad of returns, search by just "knotts".