Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
gain fang » cai fang, chin fang, yin fang
hao zhang » xiao zhang, zhao zheng, ceo zhang
wing tan » wing ian, liang tan, hong tan
kai fang » cai fang, kai fa, kai hong
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 (than china)) ((gain fang) OR (kai fang)) hao zhang ha ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan ((han hua) or (than china)) ((gain fang) OR (kai fang)) hao zhang ha ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan ((han hua) or (than china)) ((gain fang) OR (kai fang)) hao zhang ha ;*.