Perhaps you should try some spelling variations:
cooperation processes » cooperative processes (Expand search), cooperation process (Expand search), operation processes (Expand search)
decrease not » decrease akt (Expand search), decrease at (Expand search), decrease on (Expand search)
decrease can » decrease in (Expand search), decrease and (Expand search), decrease at (Expand search)
can decrease » can increase (Expand search), and decrease (Expand search), to decrease (Expand search)
not defense » host defense (Expand search), nest defense (Expand search), act defense (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not 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 defense cooperation processes ) OR ( decrease of decrease can decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease not defense cooperation processes ) OR ( decrease of decrease can decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease not defense cooperation processes ) OR ( decrease of decrease can decrease ))*.