Perhaps you should try some spelling variations:
"support policy intervention prices." » "support policy interventions prices.", "support policy intervention price.", "support policy intervention process.", "support policy intervention prisons.", "support policies intervention prices.", "import policy intervention prices."
"support migrant integrated services." » "support migrant internet services.", "support migrant integration services.", "support migrants integration services.", "support migrants interrupted services.", "support migrants integrated services.", "support grant integrated services.", "supporting migrants integrated services."

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 policy intervention prices.") or ("support migrant integrated services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support policy intervention prices.") OR ("support migrant integrated services.")).
• Removing quotes may allow a broader search: (( support policy intervention prices. ) or ( support migrant integrated services. )).
• Adding a wildcard symbol may retrieve word variants: (("support policy intervention prices.") or ("support migrant integrated services."))*.