Perhaps you should try some spelling variations:
thanh phong » thanh phuong, khanh phong, thanh hong
chieu sach » chinh sach, chiet tach, chieu sang
cach dung » sach dung, cach mang, tac dung
cong pham » cong phan, chong phap, cong ha
ho chieu » theo chieu, hoc thieu, mot chieu
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh phong cach dung ((cong pham) or (phuong phap)) tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh phong cach dung ((cong pham) OR (phuong phap)) tuan cu*.