Perhaps you should try some spelling variations:
in preprocessing » in reprocessing (Expand search), and preprocessing (Expand search), via preprocessing (Expand search)
taping decreases » taping decrease (Expand search), training decreases (Expand search), walking decreases (Expand search)
decrease taping » decrease walking (Expand search), decrease during (Expand search), decrease owing (Expand search)
decreases sperm » decreased sperm (Expand search), decreases serum (Expand search), decreasing sperm (Expand search)
sperm decrease » term decrease (Expand search), speed decrease (Expand search), speed decreases (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 OR decrease in preprocessing ) OR ( decrease taping decreases sperm decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease OR decrease in preprocessing ) OR ( decrease taping decreases sperm decrease ))*.