Perhaps you should try some spelling variations:
taizong tang » tang tang
wang tang » tang tang, wang liang, wang yan
wang yang » wang yan, wang liang, wang yanling
meng yuan » meng hsuan, fang yuan, feng juan
yuan ying » yuan ming, yuan ting, huang ying
ying yang » yang yang, yin yang, ying chang
yang cai » yong cai, yang chik, yang dali
fang » lang, gang, fan
sheng » cheng, zheng

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 tang) OR (taizong tang))) OR (wang yang)) meng yuan ying yang cai fang sheng ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang tang) or (taizong tang))) or (wang yang)) meng yuan ying yang cai fang sheng ;*.