Perhaps you should try some spelling variations:
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 akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
akt decrease » and decrease (Expand search), not decrease (Expand search), any decrease (Expand search)
decrease its » decreases its (Expand search), decrease with (Expand search), decrease in (Expand search)
its decrease » with decrease (Expand search), nts decreases (Expand search), to decrease (Expand search)
decrease peo » decrease pro (Expand search), decreases pest (Expand search), decrease cell (Expand search)
peo based » pso based (Expand search), zero based (Expand search), feco based (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 akt decrease during decrease ) OR ( decrease its decrease peo based ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt decrease during decrease ) OR ( decrease its decrease peo based ))*.