CouchPotato best searcher

Hi folks, I need an update on latest "working" searcher for CouchPotato. In the past I have used Piratebay... which is some years ago. Now activating all kind of searchers such as RARBG,
KickAssTorrents, YTS, MagnetDL and ThePirateBay - doesnt work at all... I have added some movies but no results.. any indication on what is working nowadays is much appreciated. Thanks