Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
nhieu tang » chieu sang, hieu lang, nhiet nang
phuong dan » phuong danh, phuong doan, huong dan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang ban » hang luan, hang tai, hang dau
cua dung » cua dang, cua dong, qua dung
dan toan » van toan, dan than, manh toan
toan ban » van 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 ((hieu manh) OR (nhieu tang)) - ((hang ban) OR (hang va)) cua dung phuong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (nhieu tang)) - ((hang ban) OR (hang va)) cua dung phuong dan toan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (nhieu tang)) - ((hang ban) OR (hang va)) cua dung phuong dan toan ban*.