qBittorent is good torrent client, i prefer it over uTorrent.
qBittorent integrate torrent search engine in it, one just need to have Python available.
On MS Windows, one need to download Python 2.7.3 from http://www.python.org/ftp/python/2.7.3/python-2.7.3.msi , install it into C:\Python27
App restart was not needed, i clicked "View" menu and ticked "Search Engine". It then opened new tab next to "Transfers" tab.
qBittorrent search engine appears to search acros largest trackers/indexes:
torrentz
piratebay
extratorrent
torrentreactor
and more
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