Perhaps you should try some spelling variations:
"supply chain integrating countries." » "supply chain importing countries.", "supply chain immigration countries.", "supply chain integrating culture.", "supply chain integration countries.", "supply china integrating countries.", "supply change integrating countries."
"support grid integration efforts." » "support grid international efforts.", "support grid conservation efforts.", "support agri integration efforts.", "support grant integration efforts.", "support group 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 integration efforts.") or ("supply chain integrating countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration efforts.") OR ("supply chain integrating countries.")).
• Removing quotes may allow a broader search: (( support grid integration efforts. ) or ( supply chain integrating countries. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration efforts.") or ("supply chain integrating countries."))*.