Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
thong cong » tong cong, thong thong, phong chong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
manh toan » thanh toan, anh tuan, tinh toan
van than » van thanh, van thang, van tuan

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