Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » hanh chinh
cua nhung » va nhung
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong san, cong tan, cong dan
than tap » toan tap, han tap, phan tap

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 trinh) OR (canh tranh)) cua nhung ((cong ban) or (cong bang)) than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh trinh) OR (canh tranh)) cua nhung ((cong ban) OR (cong bang)) than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((hanh trinh) OR (canh tranh)) cua nhung ((cong ban) or (cong bang)) than tap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh trinh) OR (canh tranh)) cua nhung ((cong ban) or (cong bang)) than tap*.