Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh phuong, khanh thuong
thanh chuong » thanh huong, thanh cong, nhanh chong
nhung cong » dung cong, thong cong, hang cong
doc chieu » doi chieu, toc thieu, hoc thieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc chieu) OR (doc hieu)) sach - ((thanh thuong) or (thanh chuong)) va nhung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc chieu) OR (doc hieu)) sach - ((thanh thuong) OR (thanh chuong)) va nhung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc chieu) OR (doc hieu)) sach - ((thanh thuong) or (thanh chuong)) va nhung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ((doc chieu) OR (doc hieu)) sach - ((thanh thuong) or (thanh chuong)) va nhung cong dan than cau*.