Perhaps you should try some spelling variations:
"supply trade integration policies." » "supply trade immigration policies.", "supply trade international policies.", "supply trade migration policies.", "supply case integration policies."
"supply re integration policies." » "supply re immigration policies.", "supply re international policies.", "supply re migration policies.", "supply de integration policies.", "supply fare integration policies.", "supply care integration policies.", "supply rise integration policies.", "supply role integration policies.", "supply _ integration 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 trade integration policies.") or ("supply re integration policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply trade integration policies.") OR ("supply re integration policies.")).
• Removing quotes may allow a broader search: (( supply trade integration policies. ) or ( supply re integration policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply trade integration policies.") or ("supply re integration policies."))*.