Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cap » khan cap, than cap, cao cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh ((trung cua) OR (trung tuan)) dang ((cong dan) or (cong san)) chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((trung cua) OR (trung tuan)) dang ((cong dan) OR (cong san)) chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh ((trung cua) OR (trung tuan)) dang ((cong dan) or (cong san)) chan cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((trung cua) OR (trung tuan)) dang ((cong dan) or (cong san)) chan cap*.