Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan trong » thuan trong, quan trong, tran trong
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chinh sach)) - hanh trung tuan trong cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chinh sach)) - hanh trung tuan trong cong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - hanh trung tuan trong cong dan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - hanh trung tuan trong cong dan ((toan cao) or (toan tap))*.