Perhaps you should try some spelling variations:
"supply does immigration policies." » "supply does immigration policy.", "supply does migration policy.", "supply does migration policies.", "supply gross immigration policies.", "supply sites immigration policies.", "supply costs immigration policies.", "supply donor immigration policies.", "support does immigration policies."
"supply cost integration schemes." » "supply cost integration schengen.", "supply cost irrigation schemes.", "supply cost integration regimes.", "supply post integration schemes.", "supply test integration schemes.", "supply about integration schemes.", "supply costs integration schemes."

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 cost integration schemes.") OR ("supply does immigration policies."))~.
• Removing quotes may allow a broader search: (( supply cost integration schemes. ) or ( supply does immigration policies. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply cost integration schemes.") or ("supply does immigration policies."))*.