Perhaps you should try some spelling variations:
wang taizong » wang shiyong, wang lihong, wang zaibang
taizong fang » taizong tang
fang yuan » wang yuhan, wang yan, meng yuan
yuan tan » huan t'an, yuan kang, yuan ting
tan yong » tan hong, tan kong, tan yang
yi yang » yin yang, yi gang, ying yang
yu yang » du yang, yu fang, yu gang
dean » dewan, jean, den

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 fang yuan tan yong ((yi yang) OR (yu yang)) dean ;~.
• Adding a wildcard symbol may retrieve word variants: wang taizong fang yuan tan yong ((yi yang) or (yu yang)) dean ;*.