Perhaps you should try some spelling variations:
wang taizong » wang shiyong, wang lihong, wang zaibang
taizong tang » tang tang
yuan chang » yuan cheng, huang chang, han chang
yuan wang » yan wang, yuan kang, qian wang
ying du » yang du, ying zhu, ying hua
yang » lang
dean » dewan, jean, den

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 taizong tang ((yuan wang) OR (yuan chang)) ying du yang dean ;~".
• Adding a wildcard symbol may retrieve word variants: wang taizong tang ((yuan wang) OR (yuan chang)) ying du yang dean ;*.