Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu sach » chieu sach, dien sach, te sach
hanh manh » hanh mang, lanh manh, hoang manh
cua thong » cua thuong, cua khong, cua tong
tan thanh » tran thanh, tang thanh, toan thanh
manh cua » doanh cua, ban cua
tan than » tan tran, ban than, tam than

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 manh cua thong cong ((tan than) OR (tan thanh)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh manh cua thong cong ((tan than) or (tan thanh)) cau*.