Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
khau sach » hau sach, khoa sach, pham sach
tuong cua » truong cua, huong cua, thong cua
dung cong » dung trong
thanh cac » hanh cac, thanh bac, thanh ca
cau sach » cao sach, hau sach, rau sach
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, than cap, khoan cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((cau sach) OR (khau sach)) - thanh tuong cua dung cong dan ((khan cap) OR (thanh cac))~.
• Adding a wildcard symbol may retrieve word variants: theo ((cau sach) or (khau sach)) - thanh tuong cua dung cong dan ((khan cap) or (thanh cac))*.