Perhaps you should try some spelling variations:
"supply china integrating countries." » "supply china importing countries.", "supply china immigration countries.", "supply china integrating culture.", "supply china integration countries.", "supply china integrated countries.", "supply count integrating countries.", "supply chains integrating countries.", "supply chain integrating countries."
"supply curve reporting countries." » "supply curve exporting countries.", "supply curve importing countries.", "supply curve reforming countries.", "supply case reporting countries.", "supply crime reporting countries.", "supply court reporting countries."

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: (("supply curve reporting countries.") OR ("supply china integrating countries."))~.
• Removing quotes may allow a broader search: (( supply curve reporting countries. ) or ( supply china integrating countries. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply curve reporting countries.") or ("supply china integrating countries."))*.