Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong san » cong tac
san chay » san pham, van chat, dan chan
chay cau » chay cao, chay chua, cay ca

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

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