If you know the name of the thread and type crossword help forum followed by the title you can sometimes find it by using Google search, but it doesn't always work, and is no use if you don't know the exact title of the thread. Ash, who set up the site. did promise a search facility, but so far it hasn't happened. As to your comments regarding certain postees on this site, sadly you get them on all internet forums. They probably wouldn't do it if they didn't have the anonymity of cyberspace to shield them, and are mostly sad little people who should be pitied I guess. I suspect that alcohol may just come into the equation, at least sometimes. Best to ignore them, although I do admit it can be difficult on times. The acronym is DFTT - don't feed the troll.