Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
ban cong » bang cong, van cong, phan cong
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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: ho chieu sach - hanh tranh cua ban cong ((tan toan) OR (van tuan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tranh cua ban cong ((tan toan) or (van tuan)) cau*.