Perhaps you should try some spelling variations:
cooperation processes » cooperative processes (Expand search), cooperation process (Expand search), operation processes (Expand search)
decrease cooperation » defense cooperation (Expand search), decrease proliferation (Expand search), decrease migration (Expand search)
and decreased » and decreases (Expand search), and increased (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il decrease » l decrease (Expand search), will decrease (Expand search), oil decreases (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), of decrease (Expand search), or 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 il decrease cooperation processes ) OR ( decrease on decrease AND decreased ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease il decrease cooperation processes ) OR ( decrease on decrease and decreased ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease il decrease cooperation processes ) OR ( decrease on decrease and decreased ))*.