Perhaps you should try some spelling variations:
decreases sperm » decreased sperm (Expand search), decreases serum (Expand search), decreasing sperm (Expand search)
time processing » the processing (Expand search), image processing (Expand search), pre processing (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (Expand search)
decrease time » decreased time (Expand search), decrease stigma (Expand search), decrease liver (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (Expand search)
decrease toc » decrease of (Expand search), decreased to (Expand search), decrease on (Expand search)
toc decrease » to decrease (Expand search), not decrease (Expand search), of decrease (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreases sperm decrease time processing ) OR ( decrease the decrease toc decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreases sperm decrease time processing ) OR ( decrease the decrease toc decrease ))*.