Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh san, tinh toan
thanh hoa » thanh pho
trong san » trong cac, cong san, dong san
ban dung » van dung, dan dung, tan dung
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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: hoc ((thieu xanh) OR (thien thanh)) - ((thanh toan) OR (thanh hoa)) ban dung trong san toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien thanh)) - ((thanh toan) OR (thanh hoa)) ban dung trong san toan tap~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien thanh)) - ((thanh toan) OR (thanh hoa)) ban dung trong san toan tap*.