Perhaps you should try some spelling variations:
"supply data integrating policies." » "supply data international policies.", "supply data integrating countries.", "supply data immigration policies.", "supply data integration policies.", "supply water integrating policies.", "supply gaps integrating policies."
"support trade integration theory." » "support trade integration through.", "support trade information theory.", "support trade integration report.", "export trade integration theory.", "support grant integration theory.", "import trade integration theory."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply data integrating policies.") or ("support trade integration theory."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integrating policies.") OR ("support trade integration theory."))*.
• Removing quotes may allow a broader search: (( supply data integrating policies. ) or ( support trade integration theory. ))*.