Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
nhung dong » nhung don, nhung cong, nhung dung
thanh phan » thanh pho, thanh san, thanh toan
hieu sach » chieu sach, hieu cach, dien sach
cong tuan » cong luan, cong thanh, cong quang
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh

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

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