Perhaps you should try some spelling variations:
decrease increase » disease increased (Expand search), database increase (Expand search), decrease income (Expand search)
increase after » decrease after (Expand search)
decrease when » decrease the (Expand search), decreases wheat (Expand search), decrease their (Expand search)
when subject » when subjected (Expand search), within subject (Expand search), woman subject (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 to decrease when subject ) OR ( decrease akt decrease increase after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease to decrease when subject ) OR ( decrease akt decrease increase after ))*.