Perhaps you should try some spelling variations:
"support grid integration schemes." » "support grid integration schengen.", "support grid irrigation schemes.", "support grid integration regimes.", "support agri integration schemes.", "support grant integration schemes.", "support group integration schemes."
"supply based integration efforts." » "supply based international efforts.", "supply based conservation efforts.", "supply based interaction efforts.", "supply based interactions efforts.", "supply based integrated efforts.", "supply case integration efforts.", "supplies based integration efforts.", "supply asia 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 schemes.") OR ("supply based integration efforts."))~.
• Removing quotes may allow a broader search: (( support grid integration schemes. ) or ( supply based integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support grid integration schemes.") or ("supply based integration efforts."))*.