Perhaps you should try some spelling variations:
decreased sperm » decreased sleep (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (Expand search)
method python » method method (Expand search), python python (Expand search)
of processes » of process (Expand search), of processing (Expand search), and processes (Expand search)
decrease of » decrease in (Expand search)
python api » python and (Expand search)
api method » iapi method (Expand search), bpi method (Expand search), epi method (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreased sperm decrease of processes ) OR ( python api method python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreased sperm decrease of processes ) OR ( python api method python programming ))*.