Perhaps you should try some spelling variations:
"support grid integration policies." » "support grid immigration policies.", "support grid international policies.", "support grid migration policies.", "support trade integration policies.", "support _ integration policies.", "support data integration policies.", "support agri integration policies.", "support grant integration policies.", "support group integration policies."
"supply urban integration efforts." » "supply urban international efforts.", "supply urban conservation efforts.", "supply european integration efforts.", "supply global integration efforts.", "supply trade integration efforts.", "supply rural integration efforts."

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