Perhaps you should try some spelling variations:
"supply china's integration policies." » "supply china's immigration policies.", "supply china's international policies.", "supply china's migration policies.", "supply chain integration policies.", "supply china's information policies.", "supply business integration policies.", "support china's integration policies.", "supply chains integration policies."
"supply cost conservation efforts." » "supply coastal conservation efforts.", "supply forest conservation efforts.", "supply soil conservation efforts.", "supply costs conservation 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 china's integration policies.") or ("supply cost conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china's integration policies.") OR ("supply cost conservation efforts."))*.
• Removing quotes may allow a broader search: (( supply china's integration policies. ) or ( supply cost conservation efforts. ))*.