Perhaps you should try some spelling variations:
wang tang » wang yang, wang liang, wang yan
tang tang » taizong tang
meng yuan » meng hsuan, fang yuan, feng juan
yuan li » yuan lin, guan li, yuan zi
li yang » liu yang, li ying, li gang
yang xi » yang di, yang yi, yang jui
xi fang » xia fang, xi kang, cai fang

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