Perhaps you should try some spelling variations:
wang taizong » wang shiyong, wang lihong, wang zaibang
taizong tang » tang tang
tang yuan » fang yuan, tang yun, wang yuhan
kang hang » kang han, kong hang
lin yang » liu yang, yin yang, ying yang
liu yan » lili yan
xi kang » jin kang, xi zhang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang taizong tang yuan ((lin yang) or (liu yan)) xi kang hang ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang taizong tang yuan ((lin yang) OR (liu yan)) xi kang hang ;*.