Perhaps you should try some spelling variations:
wang taizong » wang shiyong, wang lihong, wang zaibang
tang yuan » fang yuan, wang yuhan, meng yuan
zhang han » zhang fan, zhang yan, zhang hanmo
tang yun » yang yun, chang yun, fang yuan
tan yang » dan yang, tan ying, tan yong
yi zhang » li zhang, xi zhang, yi chang
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 taizong ((tang yuan) OR (tang yun)) tan yang yi zhang han ;~.
• Adding a wildcard symbol may retrieve word variants: wang taizong ((tang yuan) or (tang yun)) tan yang yi zhang han ;*.