Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, truong thanh
tran tuan » tran xuan, tran quang, tran thanh
dang cong » dung cong
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
than sao » than so, than vao, thanh san
toan cao » toan ban, toan tap

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