Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, tran tuan, truong thanh
cong toan » cong tan, cong hoan, cong tuan
thanh cha » thanh ha, thanh nha, thanh phan
ho chieu » theo chieu, hoc thieu, doi chieu
thanh ca » thanh cac, thanh ha, thanh va

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

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