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 grid testing services." » "supply grid existing services.", "supply grid lending services.", "supply grid training services.", "supply ground testing services.", "supply covid testing services.", "supply rapid testing services.", "supply crowd testing services.", "supply great testing services.", "support grid testing services."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply grid testing services.") OR ("supply trade integration policies."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply grid testing services.\") OR (\"supply trade integration policies.\"))*".
• Removing quotes may allow a broader search: (( supply grid testing services. ) OR ( supply trade integration policies. ))*.