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 chip integration policies.", "supply chains integration policies.", "supply chain integration policies."
"supply costs integration schemes." » "supply costs integration schengen.", "supply costs irrigation schemes.", "supply costs integration regimes.", "supply comes integration schemes.", "supply post integration schemes.", "supply focus 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 costs integration schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china integration policies.") OR ("supply costs integration schemes."))*.
• Removing quotes may allow a broader search: (( supply china integration policies. ) or ( supply costs integration schemes. ))*.