Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh nhanh » doanh nhan, doanh thanh, danh nhan
thiet tach » chiet tach, thien hach, thuat tach
nhanh dong » hanh dong, nhanh chong, anh dong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cong dan » cong san, cong tan, cong dong

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 tach - chinh doanh nhanh dong ((cong dan) or (huong dan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - chinh doanh nhanh dong ((cong dan) OR (huong dan)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thiet tach - chinh doanh nhanh dong ((cong dan) or (huong dan)) van ban*.