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 surge irrigation scheme." » "supply surge irrigation systems.", "supply large irrigation scheme.", "supply surface irrigation scheme.", "supply scale irrigation scheme.", "supply curve irrigation scheme.", "supply sources irrigation scheme.", "supply curves irrigation scheme."

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

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