Perhaps you should try some spelling variations:
xiaodong zhang » xiaotong zhang
xiaodong huang » xiaotong zhang
zhang hari » zhang dai, shang hai, zhang han
lei zhang » li zhang, wei shang, ceo zhang
wei wang » wei yang, wen wang, wei shang
wang lei » wang wei, wang fei, wang li

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 zhang) OR (xiaodong huang)) zhen wei wang lei zhang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((xiaodong zhang) or (xiaodong huang)) zhen wei wang lei zhang hari ;*.