Perhaps you should try some spelling variations:
decrease during » increase during (Expand search), increases during (Expand search), increased during (Expand search)
during increase » during increased (Expand search), drink increase (Expand search), during increasing (Expand search)
increase strain » increase grain (Expand search), increases brain (Expand search), increase skin (Expand search)
strain decrease » brain decreases (Expand search), strains increases (Expand search), stress decreases (Expand search)
decrease test » decreases pest (Expand search), decrease their (Expand search), decrease costs (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
test effect » cost effect (Expand search), list effect (Expand search), rust effect (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 during increase strain decrease ) OR ( decrease toc decrease test effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease during increase strain decrease ) OR ( decrease toc decrease test effect ))*.