Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dong cong » duong cong, dung cong, dang cong
nhanh ba » nhanh bac, nhanh ha, nhanh va
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
toan cau » toan tap, toan tai
toan cao » toan tap
toan ban » van ban
ba cua » ban cua, bai cua, bao cua

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 ba cua dong cong tan ((toan cau) OR (((toan cao) OR (toan ban))))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - nhanh ba cua dong cong tan ((toan cau) or (((toan cao) or (toan ban))))*.