Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, hanh mang, hanh tung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
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 - ((hanh tang) or (anh tang)) cua nhung ((cong thanh) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tang) OR (anh tang)) cua nhung ((cong thanh) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) or (anh tang)) cua nhung ((cong thanh) or (cong tac)) toan cau*.