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