Perhaps you should try some spelling variations:
"supply toward integrating services." » "supply toward integration services.", "supply toward integrated services.", "supply toward regulating services.", "supply towards integration services.", "supply towards integrated services.", "support toward integrating services."
"supply race immigration policies." » "supply race immigration policy.", "supply race migration policy.", "supply scale immigration policies.", "supply mass immigration policies.", "supply more immigration policies.", "supply rates immigration policies.", "supply reach immigration policies.", "supply case immigration policies."

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

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