Perhaps you should try some spelling variations:
"support state integration schemes." » "support state integration schengen.", "support state irrigation schemes.", "support state integration regimes.", "support statt integration schemes.", "support scale integration schemes.", "support space integration schemes.", "support stage integration schemes.", "support staff integration schemes.", "support start integration schemes."
"support migrant migration policies." » "support migrant immigration policies.", "support migrant migration policy.", "support migrant education policies.", "support migrant emigration policies.", "support migrants migration policies.", "support migrate migration policies.", "support grant migration policies.", "supporting migrants migration policies."

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