Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
thang ban » tang ban, thanh ban, tiang ban
cua nhung » va nhung
hang ban » hang luan, hang va, hang tai
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 - ((hang ban) or (thang ban)) cua nhung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hang ban) OR (thang ban)) cua nhung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hang ban) or (thang ban)) cua nhung cong dan toan cao*.