Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong van » cong vang, song van, cong tan
cong san » cong tac
khanh cu » khang cu, khanh bui, khanh duy

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh tung cua nhung ((cong van) OR (cong san)) ((khanh cu) or (chung cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung cua nhung ((cong van) OR (cong san)) ((khanh cu) OR (chung cu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung cua nhung ((cong van) OR (cong san)) ((khanh cu) or (chung cu))*".