Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation schemes » irrigation scheme, irrigation systems
global integration » regional integration
grid irrigation » grain irrigation, drip irrigation, gray irrigation
supply grid » supply crowd, supply great, support grid

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 grid irrigation schemes. ) OR ( supply global integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply grid irrigation schemes. ) or ( supply global integration efforts. ))*.