Perhaps you should try some spelling variations:
thiet hach » thien hach, thuyet hach, thiet hai
hanh doanh » hang doanh, chinh doanh, doanh doanh
tong huong » thong huong, tong thuong, cong huong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
doanh cua » doanh luan
cua tong » cua cong, cua dong, cua nong
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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 - hanh doanh cua tong huong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - hanh doanh cua tong huong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - hanh doanh cua tong huong ((dan toan) or (dan than)) cau*.