Yes, it is a chore now to search out past posts, especially with the database purges. I resort to using keyword searches of a member in the Advanced Search function, or even using Google's site search,
site:theologyonline.com Christian +"Town Heretic"
Note the "Tools" pull down option on the page, too.
Given that I make a living consulting on forensic prior art patent matters, teasing out the hidden gems in the internet has become one of my core competencies.