Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
hoc chieu » hoc thieu, ho chieu, hoc hien
lang cong » dang cong, bang cong, hang cong
trinh va » trinh van, trinh vat, trinh ve
ban phan » ban phap, ban than, ban nhan
van phan » van phong, van thanh, luan phan
va lang » va nang, hoa lang

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