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)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (Expand search)
decrease to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 _ decrease in decrease ) OR ( decrease to decrease defecation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease in decrease ) OR ( decrease to decrease defecation patterns ))*.