Perhaps you should try some spelling variations:
wang yangming » wang yangming's, wang yanling, wang danning
yangming xie » yangming _
sang minh » kang minah, anh minh, song min
yu chen » yu cheng, yi chen, yulu chen
hong yu » wong yue
xie yu » xin yu, xue yu
yangming » langming
yang » lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yangming xie yu chen ((sang minh) or (yang di)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yangming xie yu chen ((sang minh) OR (yang di)) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: wang yangming xie yu chen ((sang minh) or (yang di)) hong yu ;*.