Ah my bad. Maybe try "in text : "your url" that one should work better. Maybe there is a problem with robots.txt preventing Google from indexing? You might be

Ah my bad. Maybe try "in text : "your url" that one should work better. Maybe there is a problem with robots.txt preventing Google from indexing? You might be on to something though, should be fairly easy to produce a page that does what you are asking on the visitors end. Possibly even allow users to add specific forums to crawl.