Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dan » huong dan, cong dong, cong tac
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
chan ban » can ban, chat ban, chan nan

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 tuan trong ((((cong dan) OR (cong san))) or (cong tan)) chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trung tuan trong ((((cong dan) OR (cong san))) OR (cong tan)) chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trung tuan trong ((((cong dan) OR (cong san))) or (cong tan)) chan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trung tuan trong ((((cong dan) OR (cong san))) or (cong tan)) chan ban*.