Perhaps you should try some spelling variations:
decrease strain » increase strain (Expand search), decreases pain (Expand search), decreased brain (Expand search)
strain decrease » stress decreases (Expand search)
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during decrease » during increased (Expand search), during depressed (Expand search), during disease (Expand search)
decrease actor » decrease after (Expand search), decreased after (Expand search), decreases motor (Expand search)
actor object » action object (Expand search), alter object (Expand search), actor subjects (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 to decrease strain decrease ) OR ( decrease during decrease actor object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease strain decrease ) OR ( decrease during decrease actor object ))*.