Perhaps you should try some spelling variations:
"supply china integration policies." » "supply china immigration policies.", "supply china international policies.", "supply china migration policies.", "supply china's integration policies.", "supply china integrating policies.", "supply can integration policies.", "supply chains integration policies."
"supply chain integration schemes." » "supply chain irrigation schemes.", "supply chain integration some.", "supply chain integration theories.", "supply trade integration schemes.", "supply data integration schemes.", "supply grid integration schemes."

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 integration policies.") or ("supply chain integration schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china integration policies.") OR ("supply chain integration schemes.")).
• Removing quotes may allow a broader search: (( supply china integration policies. ) or ( supply chain integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply china integration policies.") or ("supply chain integration schemes."))*.