Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh
tap doan » tap quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trinh cua nhung cong ((((tan toan) or (van toan))) or (tap doan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trinh cua nhung cong ((((tan toan) OR (van toan))) OR (tap doan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trinh cua nhung cong ((((tan toan) or (van toan))) or (tap doan)) cau*.