Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
grant integration » migrant integration, migrants integration, statt integration
irrigation system » irrigation systems, irrigation water, irrigation scheme
curve irrigation » surge irrigation, large irrigation, crop irrigation

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

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