Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
lanh bang » anh bang, lanh sang, can bang
hang cong » dang cong, hang nong, bang cong
hang cau » hang dau, hang ca, nhung cau
bang va » hang va, ban va, trang va
va hang » van hang, va nang, va lang
han dau » hang dau, phan dau, van dau

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 - lanh bang va hang cong trinh ((han dau) or (hang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - lanh bang va hang cong trinh ((han dau) OR (hang cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - lanh bang va hang cong trinh ((han dau) or (hang cau))*.