Perhaps you should try some spelling variations:
doanh thanh » danh thanh, dinh thanh, dong thanh
thiet tach » chiet tach, thien hach, thuat tach
doanh phan » doan phan, doanh luan, thanh phan
ho thiet » hoc thiet, hoa thiet, so thiet
cach ban » cac ban, cach bao, cach ben
qua dung » quang dung, su dung, qua song
ban qua » ban quan, ban cua, ban sua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - cach ban qua dung trong ((((doanh phan) OR (doanh nhan))) or (doanh thanh)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - cach ban qua dung trong ((((doanh phan) OR (doanh nhan))) OR (doanh thanh)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - cach ban qua dung trong ((((doanh phan) OR (doanh nhan))) or (doanh thanh)) tu".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - cach ban qua dung trong ((((doanh phan) OR (doanh nhan))) or (doanh thanh)) tu*.