Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
quang cua » quan cua, quang tuan, quang huy
thai doan » chan doan, tap doan, giai doan
tac doan » tap doan, tan doan, cac doanh

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) OR (thong cong)) ((tac doan) OR (thai doan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - nhanh quang cua ((nhung cong) or (thong cong)) ((tac doan) OR (thai doan)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhanh quang cua ((nhung cong) or (thong cong)) ((tac doan) OR (thai doan)) cau*.