Perhaps you should try some spelling variations:
xiaodong zhang » xiaotong zhang, xiaodong huang
zhang cheng » zhang chendi, chang chen, hong cheng
chen wang » chen yang, chen rong, chen ping
wei wang » wen wang, wei shang, wei qiang
wei yang » pei yang, wei yang's, wei shang
jie dang » jie zhang, vie dans, bie dans

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: du xiaodong zhang cheng ((chen wang) OR (((wei wang) OR (wei yang)))) jie dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "du xiaodong zhang cheng ((chen wang) or (((wei wang) OR (wei yang)))) jie dang (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: du xiaodong zhang cheng ((chen wang) or (((wei wang) OR (wei yang)))) jie dang (hai or hari) ;*.