Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation schemes » irrigation scheme, irrigation systems
crowd integration » grid integration, trade integration, chain integration
crowd irrigation » crop irrigation, flood irrigation, from irrigation
supply crowd » supply growth, supply cost, supply how

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply crowd integration efforts. ) OR ( supply crowd irrigation schemes. ))~".
• Adding a wildcard symbol may retrieve word variants: (( supply crowd integration efforts. ) OR ( supply crowd irrigation schemes. ))*.