Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
tuan china » wuhan china, taiwan china, yunnan china
dan china » han china, dan china's, than china
sang minh » kang minah, anh minh, song min
minh dang » minh cong, mich dann
dan sang » dan yang, dan dana, dan qing
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: wang daoping ((((dan china) OR (can china))) or (tuan china)) dan sang minh dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang daoping ((((dan china) OR (can china))) OR (tuan china)) dan sang minh dang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang daoping ((((dan china) OR (can china))) or (tuan china)) dan sang minh dang hai ;*".