Perhaps you should try some spelling variations:
"support migrant integration policies." » "support migrant immigration policies.", "support migrant international policies.", "support migrant migration policies.", "support market integration policies.", "support migrants integration policies.", "support grant integration policies.", "supporting migrants integration policies."
"support tools integration series." » "support tools integration services.", "support tools interaction series.", "support tools integration server.", "support tool integration series.", "support comes integration series.", "support focus integration series."

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