Perhaps you should try some spelling variations:
decrease curling » decrease during (Expand search), decreases during (Expand search), decreased during (Expand search)
curling effect » coupling effect (Expand search), cooling effect (Expand search), ceiling effect (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 to » decreased to (Expand search), decrease toc (Expand search), decrease the (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 _ decrease to decrease ) OR ( decrease akt decrease curling effect ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease to decrease ) OR ( decrease akt decrease curling effect ))*.