Perhaps you should try some spelling variations:
"supply cost integrating countries." » "supply cost importing countries.", "supply cost immigration countries.", "supply cost integrating culture.", "supply count integrating countries.", "supply congo integrating countries.", "supply cc6 integrating countries.", "supply costs 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 cost integrating countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grid integration efforts.") OR ("supply cost integrating countries.")).
• Removing quotes may allow a broader search: (( support grid integration efforts. ) or ( supply cost integrating countries. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration efforts.") or ("supply cost integrating countries."))*.