Perhaps you should try some spelling variations:
defecation patterns » defoliation patterns (Expand search), vegetation patterns (Expand search), selection patterns (Expand search)
decrease defecation » decreases infection (Expand search), decrease predation (Expand search), decrease cooperation (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), rate increase (Expand search), to decrease (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ decrease (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: (( decrease in decrease OR decrease ) OR ( decrease rate decrease defecation patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease in decrease or decrease ) OR ( decrease rate decrease defecation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease in decrease or decrease ) OR ( decrease rate decrease defecation patterns ))*.