Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
truong cao » truong dai
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 (truong cao)) ((tong cong) OR (cong cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung tuan) OR (truong cao)) ((tong cong) OR (cong cong)) dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung tuan) or (truong cao)) ((tong cong) OR (cong cong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) or (truong cao)) ((tong cong) OR (cong cong)) dan than cap*.