Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
integrating theory » integration theory, integrated theory
water integrating » lever integrating, water integrated, patterns integrating
fare integration » trade integration, die integration
export fare » export share, export base, export fair

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: (( export fare integration efforts. ) OR ( supply water integrating theory. ))~.
• Adding a wildcard symbol may retrieve word variants: (( export fare integration efforts. ) or ( supply water integrating theory. ))*.