Perhaps you should try some spelling variations:
"support mass immigration policies." » "support mass immigration policy.", "support mass migration policy.", "support mass migration policies.", "support _ immigration policies.", "support mcfs immigration policies.", "support mdbs immigration policies.", "support basic immigration policies."
"support re integration some." » "support re integration south.", "support re integration soziale.", "support re integration social.", "support de integration some.", "support fare integration some.", "support care integration some.", "support real integration some.", "support rise integration some.", "support _ integration some."

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