Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
tang tang » taizong tang
kang chen » chang chen, jane chen, tang chun
wang yang » wang yan, wang liang, wang yanling
kang han » kong hang, zhang han, dang hai
yang lin » yang jin, wang lin, yang li
lin ling » liu ling, ling liong, lin meng
ling hai » dang hai, ling li, hong hai

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: wang ((((kang han) OR (tang tang))) OR (kang chen)) china wang yang lin ling hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((((kang han) or (tang tang))) or (kang chen)) china wang yang lin ling hai ;*.