Perhaps you should try some spelling variations:
cooperation patterns » operation patterns (Expand search), conservation patterns (Expand search), conversation patterns (Expand search)
decrease cooperation » defense cooperation (Expand search), decrease proliferation (Expand search), decrease migration (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decreased to (Expand search)
toc decrease » the decrease (Expand search), not decrease (Expand search), or decrease (Expand search)
decrease to » decreased to (Expand search), decrease the (Expand search), decrease pro (Expand search)
decrease on » decrease in (Expand search), decrease of (Expand search), decrease or (Expand search)
on decrease » on decreased (Expand search), or decrease (Expand search), of decrease (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 toc decrease to decrease ) OR ( decrease on decrease cooperation patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease toc decrease to decrease ) OR ( decrease on decrease cooperation patterns ))*.