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 after » increase after (Expand search), disease after (Expand search)
after decrease » faster decrease (Expand search), after deceased (Expand search), litter decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)
at decrease » rate decrease (Expand search), that decrease (Expand search), and 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 _ decrease after decrease ) OR ( decrease at decrease defecation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease after decrease ) OR ( decrease at decrease defecation patterns ))*.