Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
xiao zhang » xiabo zhang, jia zhang, xi zhang
chin fang » chin chang, china wang, china yang
hao zhang » zhao zheng, ceo zhang, gao shang
wing tan » wing ian, liang tan, hong tan
tan hua » tuan hua, wang hua, tan chia

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 ((tan hua) OR (than china)) chin fang ((xiao zhang) OR (hao zhang)) ya ;~.
• Adding a wildcard symbol may retrieve word variants: wing tan ((tan hua) or (than china)) chin fang ((xiao zhang) or (hao zhang)) ya ;*.