Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang hari » zhang dai, shang hai, zhang han
ching wen » ching kwan, ching fein, ching hea
jie zhang » jia zhang, li zhang, bin zhang
chia wen » china won, asia wen, chia lan
fang jie » yang jie, tang jie, fang ke

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 ((ching wen) OR (chia wen)) fang jie zhang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong zhang ((ching wen) or (chia wen)) fang jie zhang hari ;*.