Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

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