Perhaps you should try some spelling variations:
"supply trade integrating policies." » "supply trade integration policies.", "supply trade integrated policies.", "supply trade integrating positive.", "supply true integrating policies.", "supply drama integrating policies.", "supply case integrating policies."
"supply spate irrigation scheme." » "supply spate irrigation systems.", "supply scale irrigation scheme.", "supply water irrigation scheme.", "supply surge irrigation scheme.", "supply system irrigation scheme.", "supply side irrigation scheme."

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 integrating policies.") or ("supply spate irrigation scheme."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply trade integrating policies.") OR ("supply spate irrigation scheme."))*.
• Removing quotes may allow a broader search: (( supply trade integrating policies. ) or ( supply spate irrigation scheme. ))*.