Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
cong luong » cong thuong, nang luong, cong dong
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh cua » doanh luan
luong va » dung va
bac cao » bao cao, bac can, bac cau
ban cau » bang cau, ban can, van cau
ba cau » bac cau, bo cau, va 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 chieu xanh - doanh doanh cua cong luong va ((bac cao) or (((ba cau) or (ban cau))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - doanh doanh cua cong luong va ((bac cao) OR (((ba cau) OR (ban cau)))).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - doanh doanh cua cong luong va ((bac cao) or (((ba cau) or (ban cau))))*.