Are you stuck on a torrent at X% on a public tracker like
http://rarbg.to or
https://zooqle.me ? You can ask for a re-seed of your torrent here
For example, lets say you are looking for
Prison.Break.The.Final.Break.2009.720p.BluRay.x264-CiNEFiLE and you are stuck at 45% with no seeders.
Just post here the name of the torrent and the tracker where you found it and maybe someone who sees your request will help you out to finish the torrent