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