Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, truong thanh
bang thanh » ban thanh, dang thanh, tang thanh
tran tuan » tran xuan, tran quang, tran thanh
cong bang » cuong bang, dong bang, hong bang
thanh lap » thanh san, phan lap, thanh hai
ho chiet » ho chieu, ho thiet, hoc thiet

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