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 fast » decrease at (Expand search), increase fast (Expand search), decreased fas (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 may » decrease at (Expand search), decrease by (Expand search), decrease human (Expand search)
may decrease » may increase (Expand search), can decrease (Expand search), to decrease (Expand search)
fast pattern » gait pattern (Expand search), test pattern (Expand search), bank pattern (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 may decrease fast pattern ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt decrease during decrease ) OR ( decrease may decrease fast pattern ))*.