Perhaps you should try some spelling variations:
decrease mating » decrease walking (Expand search), decrease during (Expand search), decrease owing (Expand search)
mating patterns » eating patterns (Expand search), banding patterns (Expand search), changing patterns (Expand search)
decrease speed » decrease need (Expand search), decreased sperm (Expand search), decreases sperm (Expand search)
speed decrease » speed decreases (Expand search), spread decreased (Expand search), stent decrease (Expand search)
decrease low » decreases low (Expand search), decreases flow (Expand search), decrease of (Expand search)
low decrease » flow decrease (Expand search), loss decrease (Expand search), to decrease (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 low decrease speed decrease ) OR ( decrease on decrease mating patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease low decrease speed decrease ) OR ( decrease on decrease mating patterns ))*.