Perhaps you should try some spelling variations:
"supply china integrating policies." » "supply china international policies.", "supply china integrating countries.", "supply china immigration policies.", "supply china integration policies.", "supply china integrated policies.", "supply count integrating policies.", "supply chains integrating policies.", "supply chain integrating policies."
"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 policies."))~.
• Removing quotes may allow a broader search: (( supply curve reporting countries. ) or ( supply china integrating policies. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply curve reporting countries.") or ("supply china integrating policies."))*.