Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
thong cong » trong cong, tong cong, thong thong
hoan chinh » hanh chinh, hoa hinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
lan chinh » luan chinh, van chinh, hanh chinh

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 trung cua thong cong ((hoan chinh) or (lan chinh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trung cua thong cong ((hoan chinh) OR (lan chinh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung cua thong cong ((hoan chinh) or (lan chinh)) cau*.