Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
bang cong » dang cong, bang song, hang cong
anh tang » anh bang, anh dang, anh nang
anh dung » anh dong, anh huong, sach dung
cua bang » chua bang, cua ban, cua dang
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 tang) or (anh dung)) cua bang cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((anh tang) OR (anh dung)) cua bang cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((anh tang) or (anh dung)) cua bang cong ((dan toan) or (dan than)) cau*.