Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
thanh van » thanh dam
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 _
tan yong » tan hong, tan kong, tan yang
yong jui » yang jui, yang jun, yong cai

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