Perhaps you should try some spelling variations:
"supply crowd integration theories." » "supply crowd integration theory.", "supply crowd integration through.", "supply crowd integration efforts.", "supply grid integration theories.", "supply trade integration theories.", "supply chain integration theories.", "supply growth integration theories.", "supply cost integration theories.", "supply how integration theories."
"supply china integrated policies." » "supply china integrating policies.", "supply china integrated policy.", "supply china integrated logistics.", "supply china integration policies.", "supply gain integrated policies.", "supply chains integrated policies.", "supply chain integrated policies."

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