Perhaps you should try some spelling variations:
"supply chain international policies." » "supply chain international politics.", "supply chain international prices.", "supply chain international policy.", "supply china international policies.", "supply can international policies.", "supply sharing international policies."
"supply chain immigration policies." » "supply chain immigration policy.", "supply chain migration policy.", "supply chain integration policies.", "supply mass immigration policies.", "supply anti immigration 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 chain immigration policies.") or ("supply chain international policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain immigration policies.") OR ("supply chain international policies.")).
• Removing quotes may allow a broader search: (( supply chain immigration policies. ) or ( supply chain international policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain immigration policies.") or ("supply chain international policies."))*.