Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
factor integration » facto integration, sector integration, faculty integration
curve integration » care integration, fare integration, use integration
integration south » integration study, integration some, integration through
supply factor » supply factors, supply sector, supply water

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: (( supply factor integration efforts. ) OR ( supply curve integration south. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply factor integration efforts. ) or ( supply curve integration south. ))*.