Perhaps you should try some spelling variations:
wan yanling » wang yanling, wang yangming, wang danning
sang minh » kang minah, anh minh, song min
minh dang » minh cong, mich dann
wang hui » wang hua, wang zhi, wang wei
tan hua » tuan hua, wang hua, tan chia
le sang » lee sang, le dang
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yanling ((wang hui) or (tan hua)) le sang minh dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yanling ((wang hui) OR (tan hua)) le sang minh dang hai ;*.