Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
doanh ung » doan ung, doanh chung, doanh nhung
dung dong » dung cong, vung dong, dung trong
dong van » duong van, dang van, dong von
van phan » van phong, van thanh, luan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - doanh doanh ung dung dong van phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - doanh doanh ung dung dong van phan tu*.