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 deeper integration series." » "supply deep integration series.", "supply deepening integration series.", "supply sector integration series.", "supply deeper integration theories.", "supply deeper integrating services.", "supply deeper 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 integrating policies.") or ("supply deeper integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china integrating policies.") OR ("supply deeper integration series.")).
• Removing quotes may allow a broader search: (( supply china integrating policies. ) or ( supply deeper integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply china integrating policies.") or ("supply deeper integration series."))*.