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 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 mask » decrease risk (Expand search), decrease milk (Expand search), decreased base (Expand search)
mask object » mass objects (Expand search), dark object (Expand search), based object (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 strain decrease ) OR ( decrease during decrease mask object ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease strain decrease ) OR ( decrease during decrease mask object ))*.