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)
decreases soil » increases soil (Expand search), decreases local (Expand search), decreases in (Expand search)
soil decrease » oil decreases (Expand search), to decrease (Expand search), not decrease (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease in (Expand search)
pro decrease » to decrease (Expand search), or decrease (Expand search), price decrease (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decreases soil decrease pro decrease ) OR ( decrease AND decrease mating patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decreases soil decrease pro decrease ) OR ( decrease and decrease mating patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decreases soil decrease pro decrease ) OR ( decrease and decrease mating patterns ))*.