Perhaps you should try some spelling variations:
"supply scale immigration policies." » "supply scale immigration policy.", "supply scale migration policy.", "supply scale migration policies.", "supply scale irrigation policies.", "supply scale integration policies.", "supply case immigration policies.", "supply scheme immigration policies.", "supply social immigration policies."
"supply crowd integration services." » "supply crowd integrating services.", "supply crowd integrated services.", "supply crowd insemination services.", "supply grid integration services.", "supply rfid integration services.", "supply beyond integration services.", "supply growth integration services.", "supply cost integration services.", "supply from integration services."

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply scale immigration policies.\") OR (\"supply crowd integration services.\"))~".
• Removing quotes may allow a broader search: (( supply scale immigration policies. ) OR ( supply crowd integration services. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply scale immigration policies.") OR ("supply crowd integration services."))*.