Perhaps you should try some spelling variations:
thiet hach » thien hach, thuyet hach, thiet hai
canh doanh » hanh doanh, chinh doanh, doanh doanh
dong doanh » dung doanh, trong doanh, doanh doanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
dung danh » dung doanh, cuong danh, dung dat
cua dang » cua cong, cua ban
dung dan » dung dat, dung san, tung dan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet hach - canh doanh cua dang ((dong doanh) or (((dung danh) OR (dung dan)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - canh doanh cua dang ((dong doanh) OR (((dung danh) OR (dung dan)))) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thiet hach - canh doanh cua dang ((dong doanh) or (((dung danh) OR (dung dan)))) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - canh doanh cua dang ((dong doanh) or (((dung danh) OR (dung dan)))) toan ban*.