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)
toc decreased » to decreased (Expand search), the decreased (Expand search), not decreased (Expand search)
decrease food » decreases food (Expand search), increase food (Expand search), decreases blood (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
food pattern » food patterns (Expand search), and pattern (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), of decrease (Expand search), or 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: "(( decrease toc decreased sperm decrease ) OR ( decrease on decrease food pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decreased sperm decrease ) OR ( decrease on decrease food pattern ))*.