Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
irrigation system » irrigation systems, irrigation water, irrigation scheme
farm integration » fare integration, alarm integration, from integration
trip irrigation » drip irrigation, crop irrigation, grain irrigation
supply farm » supply from, support farm
supply trip » supply tariff, supply trade

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 farm integration efforts. ) OR ( supply trip irrigation system. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply farm integration efforts. ) or ( supply trip irrigation system. ))*.