Perhaps you should try some spelling variations:
"support price immigration policies." » "support price immigration policy.", "support price migration policy.", "support race immigration policies.", "support from immigration policies.", "support gross immigration policies.", "support process immigration policies.", "support policy immigration policies.", "export price immigration policies."
"support migrant integration schemes." » "support market integration schemes.", "support migrant irrigation schemes.", "support migrant integration some.", "support migrant integration theories.", "support grant integration schemes."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support migrant integration schemes.") or ("support price immigration policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support migrant integration schemes.") OR ("support price immigration policies.")).
• Removing quotes may allow a broader search: (( support migrant integration schemes. ) or ( support price immigration policies. )).
• Adding a wildcard symbol may retrieve word variants: (("support migrant integration schemes.") or ("support price immigration policies."))*.