Perhaps you should try some spelling variations:
decrease theory » decrease the (Expand search), decreased memory (Expand search), decrement theory (Expand search)
theory decrease » the decrease (Expand search), therapy decreases (Expand search), memory decreases (Expand search)
decrease their » decrease the (Expand search), increase their (Expand search), decreases the (Expand search)
their patterns » the patterns (Expand search), their patterning (Expand search), their partner's (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)
decrease pain » decreases pain (Expand search), decrease in (Expand search), decreased brain (Expand search)
pain decrease » can decrease (Expand search), strain decrease (Expand search), taping 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 rate decrease theory decrease ) OR ( decrease pain decrease their patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease theory decrease ) OR ( decrease pain decrease their patterns ))*.