Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, yunnan china
jui zhang » li zhang, jia zhang, jie zhang
zhang hai » zhang dai, shang hai, zhang han
wing tan » wing ian, liang tan, hong tan
thanh vu » thanh van, thanh _
tan yang » dan yang, tan ying, tan yong
yang jui » yang judy, yang di, yang xi

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: wing tan ((thanh vu) OR (((tuan china) OR (taiwan china)))) tan yang jui zhang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan ((thanh vu) or (((tuan china) OR (taiwan china)))) tan yang jui zhang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan ((thanh vu) or (((tuan china) OR (taiwan china)))) tan yang jui zhang hai ;*.