Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
van nhung » van nhuong, va nhung, van hung
tang van » dang van, hoang van, trong van
cong tac » cong ty
toan cau » toan cao, toan tai
toan ban » van ban

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 - hanh tang van nhung cong tac ((toan cau) OR (((toan tap) OR (toan ban))))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang van nhung cong tac ((toan cau) or (((toan tap) or (toan ban))))*.