Perhaps you should try some spelling variations:
tang china » hang china, kong china, ming china
china kwan » ching kwan, china kai, china wang
tang tang » taizong tang
ying jin » yang jin, jing ji
yang jie » yang jin, yang di, yang jui
yang jun » yang jui, pang jun, yang jin
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 lung) tang tang china kwan ((((ying jin) OR (yang jie))) OR (yang jun)) tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: (leung or lung) tang tang china kwan ((((ying jin) or (yang jie))) or (yang jun)) tong hui ;*.