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.", "support grid integration efforts."
"supply crowd integration policy." » "supply crowd immigration policy.", "supply crowd international policy.", "supply crowd innovation policy.", "supply trade integration policy.", "supply chain integration policy.", "supply urban integration policy.", "supply growth integration policy.", "supply cost integration policy.", "supply how integration policy."

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

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