Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation scheme » irrigation systems
crop irrigation » drip irrigation, scale irrigation, canal irrigation
can integration » chain integration, care integration, urban integration
supply crop » supply crowd, supply curve
supply can » supply chain, supply case, supply a

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 scheme. ) or ( supply can integration efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply crop irrigation scheme. ) OR ( supply can integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply crop irrigation scheme. ) or ( supply can integration efforts. ))*.