Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
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 cap, dung cua
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) OR (trung tuan)) 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) OR (trung tuan)) thong cong ((hoan chinh) OR (lan chinh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thong cong ((hoan chinh) or (lan chinh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cua) OR (trung tuan)) thong cong ((hoan chinh) or (lan chinh)) cau*.