Perhaps you should try some spelling variations:
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » and decrease (Expand search)
decrease akt » decrease and (Expand search), decrease after (Expand search), decrease with (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 pro (Expand search)
decrease at » decrease and (Expand search), decrease in (Expand search), decrease of (Expand search)
at doing » that doing (Expand search), and doing (Expand search), are doing (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 the decrease to decrease ) OR ( decrease akt decrease at doing ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease the decrease to decrease ) OR ( decrease akt decrease at doing ))*.