Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
asia integration » asian integration, asia's integration, media integration
curve irrigation » surge irrigation, large irrigation, crop irrigation
supply asia » supply africa, supply china
systems. » system.

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