Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
thong cong » thong thong, phong chong, cong cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
tong cong » cong cong, dung cong, dang cong
dan toan » van toan, dan than, manh toan
toan ban » van 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 cua ((((thong cong) or (trong cong))) or (tong cong)) dan 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))) OR (tong cong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh cua ((((thong cong) or (trong cong))) or (tong cong)) dan toan ban*.