Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thanh cham » thanh pham, hanh cham, thanh cha
hien sach » dien sach, kien sach, thien hach
ban thanh » ban hanh, ban hang
doanh va » doan va, doanh tai, doanh cua
va phung » va phuong, van phung, va nhung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - doanh doanh va phung van ban thanh cham~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - doanh doanh va phung van ban thanh cham*.