Perhaps you should try some spelling variations:
yeung sang » leung tang
minh china » ming china, mining china
sang minh » kang minah, anh minh, song min
china won » china women, china wang, china who
tant jie » tang jie, tant que
yang jie » yang jin, yang di, yang jui
gong hui » tong hui, tong shui, wang hui
wang wei » zhang wei, wang zhi

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 sang minh china won ((tant jie) OR (yang jie)) ((gong hui) OR (wang wei)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yeung sang minh china won ((tant jie) OR (yang jie)) ((gong hui) or (wang wei)) ;~".
• Adding a wildcard symbol may retrieve word variants: yeung sang minh china won ((tant jie) OR (yang jie)) ((gong hui) or (wang wei)) ;*.