Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
quang cua » quan cua, quang tuan, quang huy
cua nhung » va nhung
cong tac » cong ty
doan cau » toan cau, doan cap, doanh chau
doan dau » doan dieu, doan va, van dau
phan dau » phan tu, hang dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - nhanh quang cua nhung cong tac ((doan cau) OR (((doan dau) OR (phan dau))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - nhanh quang cua nhung cong tac ((doan cau) or (((doan dau) OR (phan dau))))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhanh quang cua nhung cong tac ((doan cau) or (((doan dau) OR (phan dau))))*.