Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

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