Perhaps you should try some spelling variations:
thanh phuong » thanh chuong, khanh phong, trinh phuong
thanh huong » thanh hung, thanh cong, anh huong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
dung cong » dung trong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
cap dung » ap dung, cao dung, chan dung
toan cao » toan ban, toan tap

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 anh)) - ((thanh phuong) OR (thanh huong)) cap dung cong hach toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - ((thanh phuong) or (thanh huong)) cap dung cong hach toan cao~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - ((thanh phuong) or (thanh huong)) cap dung cong hach toan cao*.