Perhaps you should try some spelling variations:
"supply china integrated policies." » "supply china integration policies.", "supply china integrating policies.", "supply china integrated policy.", "supply change integrated policies.", "supply chains integrated policies.", "supply chain integrated policies."
"supply youth integration theory." » "supply youth integration through.", "supply youth information theory.", "supply youth innovation theory.", "supply about integration theory.", "supply dutch integration theory.", "supply through integration theory.", "supply south integration theory.", "supply costs integration theory.", "supply cost integration theory."

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 integrated policies.") or ("supply youth integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china integrated policies.") OR ("supply youth integration theory."))*.
• Removing quotes may allow a broader search: (( supply china integrated policies. ) or ( supply youth integration theory. ))*.