Perhaps you should try some spelling variations:
"supply through integrating policies." » "supply through integration policies.", "supply through integrated policies.", "supply through integrating positive.", "supply through interactions policies.", "supply throughout integrating policies.", "support through integrating policies."
"supply trade integration theories." » "supply trade integration theorems.", "supply trade integrationstheorie 2.", "supply trade integration theory.", "supply case 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 through integrating policies.") or ("supply trade integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply through integrating policies.") OR ("supply trade integration theories."))*.
• Removing quotes may allow a broader search: (( supply through integrating policies. ) or ( supply trade integration theories. ))*.