Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation system » irrigation systems, irrigation water, irrigation scheme
fare integration » market integration, trade integration, data integration
rural irrigation » canal irrigation, local irrigation, total irrigation
supply rural » supply curve
supply fare » supply farm, supply case, supply market

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

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