Perhaps you should try some spelling variations:
"support grant international efforts." » "support grant international airports.", "support grant international energy.", "support grant international airport.", "support granted international efforts.", "support great international efforts.", "support transit international efforts."
"support grid integration efforts." » "support grid conservation efforts.", "support agri integration efforts.", "support group integration efforts.", "support build 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 grant international efforts.") OR ("support grid integration efforts."))~.
• Removing quotes may allow a broader search: (( support grant international efforts. ) or ( support grid integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support grant international efforts.") or ("support grid integration efforts."))*.