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 » trong doanh, doanh doanh, dong thanh
dung doanh » dung dan, dung dong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
cua dang » cua cong, cua ban
toan tap » toan 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 doanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - canh doanh cua dang ((dong doanh) OR (dung doanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - canh doanh cua dang ((dong doanh) or (dung doanh)) toan tap*.