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

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 (hieu lang)) - anh doanh luan phan cong tac ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu lang)) - anh doanh luan phan cong tac ban cau*.