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Like ChrisF said, this isn't a bug: SymbolHound is expanding to index sites other than Stack Overflow (currently most searches will still give you almost entirely SO pages, though). There is an advanced search feature that allows you to limit searches to specific sites, if you only want to see SO pages.
I think this could be more useful if there was an option to display the links in plain text (just a list of urls). This way the results could easily be fed to some script to do something with them. Also I'm not sure of the purpose of the "print" button -- Why would you want to print the title of the pages linked to but not the URLs? They even appear blue like hyperlinks, but of course if you're printing them you can't click them...
