Perhaps you should try some spelling variations:
"supply chain integrating policies." » "supply chain international policies.", "supply chain integrating countries.", "supply chain integrating social.", "supply chain integration policies.", "supply china integrating policies.", "supply shadow integrating 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 integrating policies.") or ("supply chain immigration policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integrating policies.") OR ("supply chain immigration policies."))*.
• Removing quotes may allow a broader search: (( supply chain integrating policies. ) or ( supply chain immigration policies. ))*.