Perhaps you should try some spelling variations:
"support grid international efforts." » "support grid international airports.", "support grid international energy.", "support grid international airport.", "support 3rd international efforts.", "support third international efforts.", "support build international efforts.", "support agri international efforts.", "support grant international efforts.", "support group international efforts."
"support firms integration efforts." » "support firms conservation efforts.", "support dis integration efforts.", "support res integration efforts.", "support focus integration efforts.", "support farm integration efforts.", "supporting firms integration efforts.", "support farmers integration efforts."

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

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