Perhaps you should try some spelling variations:
tang ching » hang china, tang chun, tang zheng
ching head » ching hea, china ahead
tang tang » taizong tang
tang jie » tang li, yang jin, pang jiu
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
tong hui » wang hui

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 OR yeung) tang tang ching head ((((tang jie) OR (yang jie))) OR (yang jui)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: (leung or yeung) tang tang ching head ((((tang jie) or (yang jie))) or (yang jui)) tong hui ;*.