Perhaps you should try some spelling variations:
"supply china's international prices." » "supply china international prices.", "supply chinese international prices.", "supply china's integration prices.", "supply chain's international prices.", "support china's international prices.", "supply chains international prices.", "supply china's international price."
"supply china's immigration policies." » "supply china's immigration policy.", "supply china's migration policy.", "supply china's integration policies.", "supply chinese immigration policies.", "supply china migration policies.", "supply chain's immigration policies.", "support china's immigration policies.", "supply chains immigration policies."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply china's immigration policies.") or ("supply china's international prices."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china's immigration policies.") OR ("supply china's international prices.")).
• Removing quotes may allow a broader search: (( supply china's immigration policies. ) or ( supply china's international prices. )).
• Adding a wildcard symbol may retrieve word variants: (("supply china's immigration policies.") or ("supply china's international prices."))*.