Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
dan thanh » dang thanh, danh thanh, van thanh
ban thanh » ban hanh, ban hang
trinh ap » trinh lap, trinh dap, trinh phap
ap dung » xay dung, van dung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trinh ap dung cong ((dan thanh) OR (ban thanh)) cac~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh ap dung cong ((dan thanh) or (ban thanh)) cac*.