Perhaps you should try some spelling variations:
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support trade integration efforts.", "support _ integration efforts.", "support data integration efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group integration efforts."
"supply rural irrigation systems." » "supply canal irrigation systems.", "supply local irrigation systems.", "supply total irrigation systems.", "supply curve irrigation systems.", "supply rural irrigation system."

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

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