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