Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply crowd integration efforts.", "supply great integration efforts.", "support grid integration efforts."
"support flood irrigation schemes." » "support flood irrigation scheme.", "support flood irrigation systems.", "support flood mitigation schemes.", "support led irrigation schemes.", "support farm irrigation schemes.", "support food irrigation schemes.", "support look irrigation schemes.", "support follow irrigation schemes."

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

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