Sadly rarbg, one of the largest torrent indexers, shut down a few days ago.
It was a really convenient site to search through high quality torrents.
Thankfully some smart people made a almost complete backup of the indexed magnet links and you can have the entire magnet database on your machine at home (394MB).
The magnet database can be acquired here:
magnet:?xt=urn:btih:ulfihylx35oldftn7qosmk6hkhsjq5af
There is already a compatible front end to self-host, so that you can have your own local rarbg.