always seen it too and thats how i managed to filter/compare different hacking accounts and find common grounds for most of my all-over-the-fucking-place perma bans lol...

it might be that the browser u're using is so retarded that it had the "advanced search" category hidden, disabled or blocked or smthn...
shit happens in the internet world, now u have it working properly, let's hope this allows you to keep doing your job better.