Perhaps you should try some spelling variations:
juan rene » juan meng, juan rana
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
yang jin » yang jie, yang jun, ying jin
nancy i » nancy n, nancy l, nancy m
nancy c » nancy n, nancy l
yang xi » yang di, yang yi, yang jui

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: chng ((nancy i) OR (nancy c)) juan rene ((sang minh) OR (((yang jin) OR (yang xi)))) wong shiu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chng ((nancy i) OR (nancy c)) juan rene ((sang minh) or (((yang jin) or (yang xi)))) wong shiu ;~".
• Adding a wildcard symbol may retrieve word variants: chng ((nancy i) OR (nancy c)) juan rene ((sang minh) or (((yang jin) or (yang xi)))) wong shiu ;*.