Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, truong thanh
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
tran tuan » tran xuan, tran quang, tran thanh
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
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 chiet tach - thanh ((((trung tuan) OR (tran tuan))) or (truong cua)) nhung cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((((trung tuan) OR (tran tuan))) OR (truong cua)) nhung cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh ((((trung tuan) OR (tran tuan))) or (truong cua)) nhung cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((((trung tuan) OR (tran tuan))) or (truong cua)) nhung cong dan than cap*.