Perhaps you should try some spelling variations:
decreased sperm » decreased sleep (Expand search)
liver processes » river processes (Expand search), linear processes (Expand search), delivery processes (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (Expand search)
decrease liver » decreases liver (Expand search), decrease litter (Expand search), decrease after (Expand search)
method python » method method (Expand search), python python (Expand search)
python api » python and (Expand search)
api method » iapi method (Expand search), bpi method (Expand search), epi method (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( decreased sperm decrease liver processes ) OR ( python api method python programming ))~.