Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ban thanh » ban hanh, ban hang
tang cua » mang cua, hang cua, tang luan
dan toan » van toan, dan than, manh toan
ban than » van thanh, ban hang, ban hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - hanh tang cua nhung cong ((dan toan) or (((ban than) or (ban thanh)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tang cua nhung cong ((dan toan) OR (((ban than) OR (ban thanh)))) cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tang cua nhung cong ((dan toan) or (((ban than) or (ban thanh)))) cau*.