Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
anh bang » anh hoang, anh quang, tinh bang
bang cua » ban cua, mang cua, hang cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - anh bang cua dung ((cong tan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh bang cua dung ((cong tan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - anh bang cua dung ((cong tan) or (cong tac)) toan cau*.