Perhaps you should try some spelling variations:
"supply case immigration regimes." » "supply case migration regimes.", "supply case migration regime.", "supply case integration regimes.", "supply scale immigration regimes.", "supply mass immigration regimes.", "supply race immigration regimes.", "supply cost immigration regimes.", "supply chain immigration regimes.", "supply curve immigration regimes."
"supply social integration some." » "supply global integration some.", "supply financial integration some.", "supply regional integration some.", "supply social integration south.", "supply social integration soziale.", "supply social integration social."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply case immigration regimes.") or ("supply social integration some."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply case immigration regimes.") OR ("supply social integration some."))*.
• Removing quotes may allow a broader search: (( supply case immigration regimes. ) or ( supply social integration some. ))*.