Perhaps you should try some spelling variations:
xiaodong zong » xiaotong zhang, xiaodong huang
zong chen » zong cheng, hong cheng, don chen
chen hao » cheng han
fang vie » nang viet, fang ke, fang ri
wang » wing, wan
viet » view, diet, vier
dang » dan, yang, dans
hai » hadi, haji, hari

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: (wang OR lang) xiaodong zong chen hao ((fang vie) OR (vang viet)) dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) xiaodong zong chen hao ((fang vie) or (vang viet)) dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: (wang OR lang) xiaodong zong chen hao ((fang vie) or (vang viet)) dang hai ;*.