Perhaps you should try some spelling variations:
wang tang » wang yang, wang liang, wang yan
tang tang » taizong tang
tang yuan » fang yuan, tang yun, wang yuhan
yuan tan » huan t'an, yuan kang, yuan ting
tan yang » dan yang, tan ying, tan yong
yi kang » xi kang, yi yang, jin kang
yi gang » ii gang, i gang, li gang

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

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