Perhaps you should try some spelling variations:
"supply china immigration policies." » "supply china immigration policy.", "supply china migration policy.", "supply china migration policies.", "supply chinese immigration policies.", "supply china integration policies.", "supply chains immigration policies.", "supply chain immigration policies."
"supply care integration process." » "supply care reintegration process.", "supply care migration process.", "supply care innovation process.", "supply fare integration process.", "supply scale integration process.", "supply re integration process.", "supply case integration process.", "supply curve integration process.", "supply cote integration process."

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