Perhaps you should try some spelling variations:
"supply case immigration policies." » "supply case immigration policy.", "supply case migration policy.", "supply scale immigration policies.", "supply mass immigration policies.", "supply race immigration policies.", "supply cost immigration policies.", "supply chain immigration policies.", "supply curve immigration policies."
"supply now integrated policies." » "supply now integration policies.", "supply now integrating policies.", "supply now integrated policy.", "supply how integrated policies.", "supply new integrated policies.", "supply non integrated policies.", "supply crowd integrated policies.", "supply donor integrated policies."

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 case immigration policies.") OR ("supply now integrated policies."))~.
• Removing quotes may allow a broader search: (( supply case immigration policies. ) or ( supply now integrated policies. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply case immigration policies.") or ("supply now integrated policies."))*.