Perhaps you should try some spelling variations:
"Supply trade integration policies." » "Supply trade immigration policies.", "Supply trade international policies.", "Supply trade migration policies."
"supply data migration policy." » "supply data education policy.", "supply a migration policy.", "supply data curation policy.", "supply data integration policy."
supply trade » supply case

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 policies.") OR ("supply data migration policy."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Supply trade integration policies.\") OR (\"supply data migration policy.\"))".
• Removing quotes may allow a broader search: (( Supply trade integration policies. ) OR ( supply data migration policy. )).
• Adding a wildcard symbol may retrieve word variants: (("Supply trade integration policies.") OR ("supply data migration policy."))*.