Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, hanh mang, hanh tung
anh tang » anh bang, anh dang, anh nang
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 hang) or (cua dang)) 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 hang) OR (cua dang)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) or (anh tang)) ((cua hang) or (cua dang)) cong tac toan cau*.