Perhaps you should try some spelling variations:
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group integration efforts."
"supply grain irrigation schemes." » "supply grain irrigation scheme.", "supply grain irrigation systems.", "supply gray irrigation schemes.", "supply gravity irrigation schemes.", "supply drip irrigation schemes.", "supply chain irrigation schemes.", "supply main irrigation schemes.", "supply ukraine irrigation schemes."

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 grain irrigation schemes.") OR ("support grid integration efforts."))~.
• Removing quotes may allow a broader search: (( supply grain irrigation schemes. ) or ( support grid integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply grain irrigation schemes.") or ("support grid integration efforts."))*.