Perhaps you should try some spelling variations:
wang liang » wang yang
juan rene » juan meng, juan rana
sang minh » kang minah, song min, song ming
liang sun » liang tan, wing sun
liang dan » liang tan, king dan, wang dan
liang y » liang _, jiang ye, jiang yi
y juan » _ juan, v juan

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