Perhaps you should try some spelling variations:
xiaodong zhang » xiaotong zhang, xiaodong huang
zhang cheng » zhang chendi, chang chen, hong cheng
cheng han » chen hao
wang jing » wang ning, wang liang, wang yong
wang yang » wang yan, wang liang, wang yanling
yang jie » yang jin, yang di, yang jui

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