Hi everyone. This is my first post here =). A few months back, I downloaded some pdf files from a forum. It was until a few days later that I opened them up (due to boredom) and discovered they are actually pretty useful to me. I then decided to go back and find the site to see if there are other files relevant to me. However, even if I typed the entire title into the search engine (with " ") or took out some selected parts and run them in the search engine, the SE does not seem to know where the document is from. I do remember that the forum requires registration before you can view anything (registration is free though, thats how I got the documents) So anyone able to help me out?