Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
zhang han » zhang fan, zhang yan, zhang hanmo
dang haji » dang hai, dato haji
tan yang » dan yang, tan ying, tan yong
yang ji » yang jui, yang jie, yang jin

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 yangming ((than china) OR (wuhan china)) tan yang ji ((zhang han) OR (dang haji)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yangming ((than china) OR (wuhan china)) tan yang ji ((zhang han) or (dang haji)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yangming ((than china) OR (wuhan china)) tan yang ji ((zhang han) or (dang haji)) ;*.