Perhaps you should try some spelling variations:
tang china » hang china, kong china, ming china
china wang » china yang, china chang, china zhang
lung tang » leung tang, gung thang, lung can
tang tang » taizong tang
wang fang » wang yang, weng fang, wang liang
fang jing » wang jing, yang jing, huang jing
tong hui » wang hui
gong si » dong sin

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: lung tang tang china wang fang jing ((((tong hui) OR (gong si))) OR (cong shu)) ;~.
• Adding a wildcard symbol may retrieve word variants: lung tang tang china wang fang jing ((((tong hui) or (gong si))) or (cong shu)) ;*.