Perhaps you should try some spelling variations:
thien hach » thien thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
hien hanh » dieu hanh
luan dang » luan nang, luan danh, luan dong
cong dan » cong san, cong tan, cong dong
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 ((thien hach) or (hien hanh)) - canh doanh luan dang ((cong dan) OR (huong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hien hanh)) - canh doanh luan dang ((cong dan) OR (huong dan)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien hach) or (hien hanh)) - canh doanh luan dang ((cong dan) OR (huong dan)) toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (hien hanh)) - canh doanh luan dang ((cong dan) OR (huong dan)) toan tap*.