Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
thang cua » thong cua, than cua, thang mua
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 tieu sach - hanh ((thang cua) OR (((tang cua) OR (hang cua)))) hang cong tan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - hanh ((thang cua) or (((tang cua) OR (hang cua)))) hang cong tan than cau~".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh ((thang cua) or (((tang cua) OR (hang cua)))) hang cong tan than cau*.