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 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."

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