Perhaps you should try some spelling variations:
wang xianodong » wang xiaoping, wang xiaobing
zhang cheng » zhang chendi, chang chen, hong cheng
cheng han » chen hao
dire dans » gire dans, dire plans, vivre dans
jie zhang » jia zhang, li zhang, bin zhang
han fang » zhang fang, chin fang, han chang

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: ((wang xiaodong) OR (wang xianodong)) zhang cheng han fang ((dire dans) OR (jie zhang)) hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang xiaodong) or (wang xianodong)) zhang cheng han fang ((dire dans) or (jie zhang)) hai ;*.