Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
wang daoping » wang xiaoping, wang danning, wang yanling
tuan china » wuhan china, taiwan china, yunnan china
dan yang » daun yang, tan yang, wang yang
judy how » study how, judy h
how hai » how has, how ai, how hci

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 daoping) OR (wang xiaobing)) ((tuan china) OR (can china)) dan yang judy how hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang daoping) or (wang xiaobing)) ((tuan china) or (can china)) dan yang judy how hai ;*.