Perhaps you should try some spelling variations:
chiet tach » chieu sach
trung tuan » trung thanh, trung tam, tran tuan
hoc chiet » hoc thiet, hoc nhiet, hoc hien
trung cap » truong cao, trung tam
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
hang cao » hoang cao, nang cao, hang ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - thanh ((trung cap) or (trung tuan)) nhung ((cong dan) or (cong tan)) hang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chiet tach - thanh ((trung cap) OR (trung tuan)) nhung ((cong dan) OR (cong tan)) hang cao.
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - thanh ((trung cap) or (trung tuan)) nhung ((cong dan) or (cong tan)) hang cao*.