Perhaps you should try some spelling variations:
lang xiaotong » wang xiaodong, huang xiaoting, wang xianodong
zhang sheng » zhang yisheng, fang sheng, hang seng
wei yang's » yiwei wang's
yang's jie » yang jie
sheng wei » zhen wei, zhang wei, chen wei
dang hari » dang hai
haji » hadi

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 xiaotong zhang sheng wei yang's jie ((dang hari) OR (dato haji)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang xiaotong zhang sheng wei yang's jie ((dang hari) or (dato haji)) ;*.