Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cua thuong » cua truong, cua phuong, ca thuong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua khong, cua tong, suat thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh mang ((cua thong) or (cua thuong)) cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh mang ((cua thong) OR (cua thuong)) cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh mang ((cua thong) or (cua thuong)) cong tac than cau*.