Perhaps you should try some spelling variations:
decrease cooperation » defense cooperation (Expand search), decrease proliferation (Expand search), decrease migration (Expand search)
cooperation projects » cooperation project (Expand search), cooperative projects (Expand search), conservation projects (Expand search)
decrease lodging » decrease during (Expand search), decrease walking (Expand search)
lodging decrease » logging decreases (Expand search), loading decreased (Expand search), taping decrease (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease pro (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 lodging decrease cooperation projects ) OR ( decrease _ decrease OR decrease ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease lodging decrease cooperation projects ) OR ( decrease _ decrease or decrease ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease lodging decrease cooperation projects ) OR ( decrease _ decrease or decrease ))*.