Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
van doanh » toan doanh, van dong, van thanh
doanh cua » doanh luan
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
cua dung » cua dang, cua dong, qua dung
ca cau » cua cau, cac cau, can cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - van doanh cua dung ((trong dan) or (trong san)) ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - van doanh cua dung ((trong dan) OR (trong san)) ca cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - van doanh cua dung ((trong dan) or (trong san)) ca cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - van doanh cua dung ((trong dan) or (trong san)) ca cau*.