Perhaps you should try some spelling variations:
methods affected » methods affect (Expand search), methods affective (Expand search), methods effect (Expand search)
decrease pain » decreases pain (Expand search), decreased brain (Expand search), decrease asian (Expand search)
pain decrease » can decrease (Expand search), taping decrease (Expand search), brain decreases (Expand search)
dense methods » dense method (Expand search), defense methods (Expand search), dance methods (Expand search)
in dense » in defense (Expand search), in dengue (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 pain decrease pain decrease ) OR ( decrease in dense methods affected ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pain decrease pain decrease ) OR ( decrease in dense methods affected ))*.