Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
minh tuan » dinh tuan, binh thuan, anh tuan
vu irene » _ irene
yang jin » yang jie, ying jin, shang jin
yang jun » yang jui, pang jun, yang fan
song pae » song ze
tuan vu » thanh vu, tuan hua

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: sang minh tuan vu irene ((yang jin) OR (((yang jun) OR (yang judy)))) song pae ;~.
• Adding a wildcard symbol may retrieve word variants: sang minh tuan vu irene ((yang jin) or (((yang jun) or (yang judy)))) song pae ;*.