Perhaps you should try some spelling variations:
"support cross immigration policies." » "support cross immigration policy.", "support cross migration policy.", "support gross immigration policies.", "support mass immigration policies.", "support from immigration policies.", "support across immigration policies.", "support crops immigration policies.", "export cross immigration policies."
"supportive scale integration through." » "supportive scale innovation through.", "supportive care integration through.", "supportive soziale integration through.", "supportive trade integration through.", "supportive social integration through.", "supportive role integration through."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supportive scale integration through.") or ("support cross immigration policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supportive scale integration through.") OR ("support cross immigration policies."))*.
• Removing quotes may allow a broader search: (( supportive scale integration through. ) or ( support cross immigration policies. ))*.