Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
hanh ban » thanh ban, hang ban, hanh san
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van thanh, xuan toan
ban cua » ban quan
van tan » van tuan, van ban, van tai

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