Perhaps you should try some spelling variations:
tang china » hang china, kong china, ming china
china weng » china wang, china west, china won
tang tang » taizong tang
fang jie » yang jie, fang ke, yang jin
tang jie » yang jie, tang li, yang jin
wang hui » wang hua, wang zhi, wang wei
leung » leong, lung, yeung

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: leung tang tang china weng ((fang jie) OR (tang jie)) ((tong hui) OR (wang hui)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "leung tang tang china weng ((fang jie) OR (tang jie)) ((tong hui) or (wang hui)) ;~".
• Adding a wildcard symbol may retrieve word variants: leung tang tang china weng ((fang jie) OR (tang jie)) ((tong hui) or (wang hui)) ;*.