Perhaps you should try some spelling variations:
decrease differing » decrease suffering (Expand search), decreased sintering (Expand search), decrease during (Expand search)
differing effects » different effects (Expand search), buffering effect (Expand search), feeding effects (Expand search)
that decrease » that increase (Expand search), that increases (Expand search), not decrease (Expand search)
decrease akt » decrease at (Expand search), decrease and (Expand search), decrease after (Expand search)
decrees that » devices that (Expand search), trees that (Expand search)
akt decrees » and decrees (Expand search), that decrees (Expand search)
in decrease » in decreased (Expand search), on decrease (Expand search), pain decrease (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 decrees that decrease ) OR ( decrease in decrease differing effects ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease akt decrees that decrease ) OR ( decrease in decrease differing effects ))*.