Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tuong phan » truong phan, thong phan, huong phan
cong cong » cong dong, dung cong, dang cong
ca cau » cua cau, cac cau, can cau

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 - thanh tuong phan ((cong cong) or (trong cong)) dan ca cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tuong phan ((cong cong) OR (trong cong)) dan ca cau*.