Perhaps you should try some spelling variations:
duong anh » dang anh, trong anh
duong van » cong van
than our » than your, than one, than you
cong sun » cong shu, cong van, wing sun
our way » your way
way yan » way dan, way land
yan jiu » yang jie, yang jin, pang jiu
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 yanling than our way yan jiu ((cong sun) OR (((duong van) OR (duong anh)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling than our way yan jiu ((cong sun) or (((duong van) OR (duong anh)))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling than our way yan jiu ((cong sun) or (((duong van) OR (duong anh)))) ;*.