Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
phung cong » nhung cong, phong cong, nhung chong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cac » trinh cau, trinh chat, trinh chao
cac phung » cac phuong, cac chung, cac phong
cong tan » cong tac, cong san, cong thanh
than ban » thanh ban, than man, nhuan ban

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