Perhaps you should try some spelling variations:
decrease cooperation » defense cooperation (Expand search), decrease proliferation (Expand search), decrease migration (Expand search)
cooperation program » cooperation programs (Expand search), acceleration program (Expand search), cooperation project (Expand search)
decrease increase » disease increased (Expand search), database increase (Expand search), decrease income (Expand search)
increase after » decrease after (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)
decrease low » decreases low (Expand search), decreases flow (Expand search), decrease of (Expand search)
low decrease » flow decrease (Expand search), loss decrease (Expand search), to decrease (Expand search)

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease NOT decrease cooperation program ) OR ( decrease low decrease increase after ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease not decrease cooperation program ) OR ( decrease low decrease increase after ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease not decrease cooperation program ) OR ( decrease low decrease increase after ))*.