Perhaps you should try some spelling variations:
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply trade integration efforts.", "supply _ integration efforts.", "supply data integration efforts.", "supply crowd integration efforts.", "support grid integration efforts."
"support tool irrigation scheme." » "support tool irrigation systems.", "support total irrigation scheme.", "support flood irrigation scheme.", "support local irrigation scheme.", "support tools irrigation scheme.", "support from irrigation scheme."

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

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