Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation schemes » irrigation scheme, irrigation systems
crowd integration » grid integration, rfid integration, beyond integration
crop irrigation » drip irrigation, scale irrigation, canal irrigation
supply crowd » supply growth, supply cost, supply from
supply crop » supply from, supply europe, supply curve

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply crop irrigation schemes. ) or ( supply crowd integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply crop irrigation schemes. ) OR ( supply crowd integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply crop irrigation schemes. ) or ( supply crowd integration efforts. ))*.