Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
ho chiet » ho chieu, ho thiet, hoc thiet
cong ban » cong bang, cong san, cong tan

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 cua) or (trung tuan)) nhung cong ban thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung cua) OR (trung tuan)) nhung cong ban thanh lap.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung cua) or (trung tuan)) nhung cong ban thanh lap*.