Perhaps you should try some spelling variations:
zhejiang china » xinjiang china
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang china » hang china, change china, changed china
chang wang » chang ann, chang won, hong wang
wang yang » wang yan, wang liang, wang yanling
yang dang » yang yang, yang guang, yang liang

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 xiaotong ((zhang china) OR (zhejiang china)) chang wang yang dang (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong ((zhang china) OR (zhejiang china)) chang wang yang dang (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaotong ((zhang china) OR (zhejiang china)) chang wang yang dang (hai or hadi) ;*.