Perhaps you should try some spelling variations:
integration policies » immigration policies, international policies, innovation policies
migration policies » immigration policies, migration policy, education policies
china's migration » china migration, chinese migration, china's integration
support chain » support can, support chuan, supply chain

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support china's migration policies. ) or ( support chain integration policies. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support china's migration policies. ) OR ( support chain integration policies. )).
• Adding a wildcard symbol may retrieve word variants: (( support china's migration policies. ) or ( support chain integration policies. ))*.