I don't understand the Physics Forums search fucntion. When I go to Advanced Seach and Enter something to be searched by Keyword, it gives you the option to either Search Titles Only or Search Entire Post. So when I select search titles only it brings up MANY posts that don't have ANY of the keywords in the title of the post. The keywords are just in the post itself. And when I put a keyword phrase in quotations it brings up many posts that don't have the keyord together like I typed them, it just brings up posts that have any of the keywords I put in as oppose to the exact phrase. What is the deal?