Perhaps you should try some spelling variations:
wang tang » wang yang, wang liang, wang yan
tang tang » taizong tang
yuan kang » yuan wang, yuan chang, chan kang
zhang han » zhang fan, zhang yan, zhang hanmo
yuan tan » huan t'an, yuan ting, yuan wang
kang han » kang chen, kong hang, dang hai
yang yi » yang di, yang xi, yang jui

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 tang tang ((yuan tan) OR (yuan kang)) yang yi ((kang han) OR (zhang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tang tang ((yuan tan) OR (yuan kang)) yang yi ((kang han) or (zhang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang tang tang ((yuan tan) OR (yuan kang)) yang yi ((kang han) or (zhang han)) ;*.