Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
doanh luan » doanh nhan
anh doanh » hanh doanh, anh danh, doanh doanh
luan phan » luan van, luan hoan
phan cong » thanh cong
cong tac » cong ty
tac bang » tac vang, tao bang, cac bang
bang cau » hang cau, bang cac, nang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - anh doanh luan phan cong tac bang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - anh doanh luan phan cong tac bang cau*.