Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, dong doanh
doanh thanh » danh thanh, doanh nhan, dinh thanh
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

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