Perhaps you should try some spelling variations:
juan rene » juan meng, juan rana
sang minh » kang minah, anh minh, song min
yan minh » tuan minh, yang mind, yuan ming
cong sun » cong shu, wing sun
cong van » congo can, duong van
v juan » _ juan, y juan, v julian
yan v » yan _, dan v, yan 4
wang » wing, wan, lang

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 yan v juan rene ((yan minh) OR (sang minh)) ((cong sun) OR (cong van)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan v juan rene ((yan minh) or (sang minh)) ((cong sun) OR (cong van)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan v juan rene ((yan minh) or (sang minh)) ((cong sun) OR (cong van)) ;*.