Perhaps you should try some spelling variations:
xiaodong zhang » xiaotong zhang, xiaodong huang
lang xiaodong » wang xiaodong, wang xianodong, lin xiaodong
cheng wei » cheng hei, cheng siwei, zhang wei
jie zhang » jia zhang, li zhang, bin zhang
chen wei » zhen wei, chen e
jie song » jae song, jin song, kim song

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