Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
china kwan » ching kwan, china kai, china wang
lung kang » chung kang, lung can
kang than » kang han, kang tae, kang chen
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang judy
wang hui » wang hua, wang zhi, wang wei

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lung kang than china kwan ((yang jin) OR (yang jun)) ((wang hui) OR (tong hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: lung kang than china kwan ((yang jin) or (yang jun)) ((wang hui) or (tong hui)) ;*.