Perhaps you should try some spelling variations:
china changqi » china chang, china shanghai, chin chang
than china » tuan china, han china, wuhan china
wang qian » wang qiao, wang qin, wang liang
qian kang » qian wang, qian rong, qian yan
kang than » kang han, kang tae, kang chen
tin hong » kia hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang qian kang than china changqi ((((tin hong) or (tan hong))) or (thi hong)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qian kang than china changqi ((((tin hong) OR (tan hong))) OR (thi hong)) ghi ;.
• Adding a wildcard symbol may retrieve word variants: wang qian kang than china changqi ((((tin hong) or (tan hong))) or (thi hong)) ghi ;*.