Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
canh doanh » hanh doanh, chinh doanh, doanh doanh
phuong dan » phuong danh, phuong doan, huong dan
hien hanh » dieu hanh
doanh cua » doanh luan
cua bang » chua bang, cua ban, cua dang
toan cao » toan tap
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 ((thien thanh) or (hien hanh)) - canh doanh cua bang phuong dan ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hien hanh)) - canh doanh cua bang phuong dan ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (hien hanh)) - canh doanh cua bang phuong dan ((toan cao) or (toan ban))*.