Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
phuong dan » phuong danh, phuong doan, phuong lan
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
cua bang » chua bang, cua ban, cua dang
toan cao » toan ban, toan tap

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 - hanh doanh cua bang ((phuong dan) or (huong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh doanh cua bang ((phuong dan) OR (huong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - hanh doanh cua bang ((phuong dan) or (huong dan)) toan cao*.