Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
cong vang » cong lang, cong quang, cong ngang
cua dong » chua dong, cua cong, cua dang
cong van » cong san, song van, cong tan
ha dong » hoat dong, van dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - thanh thuong ((cua dong) or (ha dong)) ((cong van) or (cong vang)) nang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - thanh thuong ((cua dong) OR (ha dong)) ((cong van) OR (cong vang)) nang cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - thanh thuong ((cua dong) or (ha dong)) ((cong van) or (cong vang)) nang cao*.