Perhaps you should try some spelling variations:
tang xiaoyang » wang xiaochang, zhang xiaoyong, wang xiaodong
xiaoyang tang » xiaoyan deng
tang chia » tan chia, hang china, tang chun
chia daun » chia lan
daun yang » dan yang, du yang, tan yang
yang mind » yang cindy, yang jin, sang minh
mind dang » mind data

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: tang xiaoyang tang chia daun yang mind dang (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: tang xiaoyang tang chia daun yang mind dang (hai or hadi) ;*.