Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
gain zhang » bin zhang, yan zhang, gain sharing
zhang xiao » zhang xiabo, zhong xiao, zhang xiaobo
xiao zhang » xiabo zhang, hao zhang, jia zhang
wing tan » wing ian, liang tan, hong tan
tan chia » tuan china, can china, dan china
zhang ha » zhang han, chang ha, zhang ya
han hua » tan hua, wang hua, tuan hua

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 ((han hua) OR (((tan chia) OR (than china)))) gain zhang xiao zhang ha ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan ((han hua) or (((tan chia) OR (than china)))) gain zhang xiao zhang ha ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan ((han hua) or (((tan chia) OR (than china)))) gain zhang xiao zhang ha ;*.