Perhaps you should try some spelling variations:
"supply data international policies." » "supply data international politics.", "supply data international prices.", "supply data international policy.", "supply daiwa international policies.", "supply da international policies.", "supply onati international 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 trade integration theories.") or ("supply data international policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply trade integration theories.") OR ("supply data international policies.")).
• Removing quotes may allow a broader search: (( supply trade integration theories. ) or ( supply data international policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply trade integration theories.") or ("supply data international policies."))*.