Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation schemes » irrigation scheme, irrigation systems
basin irrigation » drip irrigation, canal irrigation, farm irrigation
tool integration » global integration, social integration, trade integration
supply basin » supply chain, supply case
supply tool » supply school, support tool

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