Perhaps you should try some spelling variations:
"support a integrating services." » "support a integration services.", "support a integrated services.", "support a regulating services.", "support _ integrating services.", "support 4 integrating services.", "support 6 integrating services."
"support migrant integration schemes." » "support market integration schemes.", "support migrant integration schengen.", "support migrant irrigation schemes.", "support migrant integration regimes.", "support migrants integration schemes.", "support grant integration schemes.", "supporting migrants integration schemes."

Try widening your search to All Fields.

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