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 south." » "support re integration study.", "support re integration some.", "support re integration social.", "support de integration south.", "support fare integration south.", "support care integration south.", "support real integration south.", "support rise integration south.", "support _ integration south."

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