Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
gang minh » kang minah, anh minh, gong min
wang tan » wang yan, wang ban, wang tao
wang dan » wang yan, wang ban, wang yidan
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi
cong du » long du, cong shu, cong sun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang tan) or (wang dan)) ((yang jie) or (yang jui)) yi ((gang minh) OR (sang minh)) cong du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang tan) OR (wang dan)) ((yang jie) OR (yang jui)) yi ((gang minh) OR (sang minh)) cong du ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang tan) or (wang dan)) ((yang jie) or (yang jui)) yi ((gang minh) OR (sang minh)) cong du ;*".