Perhaps you should try some spelling variations:
trading china » trade china
facing china » banking china, ming china
yeung tang » leung tang
chang yang » chen yang, wang yang, zhang yan
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 tang ((facing china) OR (trading china)) chang yang jie ((gong hui) OR (wang wei)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yeung tang ((facing china) OR (trading china)) chang yang jie ((gong hui) or (wang wei)) ;~".
• Adding a wildcard symbol may retrieve word variants: yeung tang ((facing china) OR (trading china)) chang yang jie ((gong hui) or (wang wei)) ;*.