Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
trong ca » trong cac, trong nha
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: hoc chieu sach - thanh ((trung tuan) or (trong ca)) thong cong ban thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh ((trung tuan) OR (trong ca)) thong cong ban thanh cac*.