Perhaps you should try some spelling variations:
yeung tang » leung tang
tang china » hang china, kong china, ming china
china wang » china yang, china chang, china zhang
tang tang » taizong tang
wang ning » wang jing, wang liang, wang yang
yang jie » yang jin, yang jui, yang xi
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: yeung tang tang china wang ((((wang ning) OR (yang jie))) OR (yang di)) gong hui ;~.
• Adding a wildcard symbol may retrieve word variants: yeung tang tang china wang ((((wang ning) or (yang jie))) or (yang di)) gong hui ;*.