Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
doanh phan » doanh nhan, doan phan, doanh thanh
dung dong » dung cong, vung dong, dung trong
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
cach ban » cac ban, cach bao, cach ben
sua dung » suat dung, su dung, qua dung
ban sua » ban cua, ban quan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chiet) or (ho thiet)) tach - cach ban sua dung dong doanh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho thiet)) tach - cach ban sua dung dong doanh phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (ho thiet)) tach - cach ban sua dung dong doanh phan tu*.