Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
huong cua » dung cua
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 ((huong cua) OR (mang cua)) nhung cong tan ((toan cau) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((huong cua) or (mang cua)) nhung cong tan ((toan cau) or (toan tap))*.