Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » thong cong, hang cong, nhung don
hoc chieu » hoc thieu, ho chieu, hoc hien
doanh cua » doanh luan
dung cong » dung trong
phap toan » phap hoan, phap luan, phap phan
toan cau » 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 chieu sach - canh doanh cua ((nhung cong) or (dung cong)) phap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - canh doanh cua ((nhung cong) OR (dung cong)) phap toan cau*.