Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chieu sang, chieu xanh
phong cong » phong chong, thong cong, chong cong
tuong va » truong va, thuong va, luong va
va phong » van phong, va phuong, va thong
cong van » cong vang, cong san, song van
van phat » va phat, van chat, van phan
phat co » chat co, phan co, phai co

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) or (chiet tach)) - thanh tuong va phong cong van phat co~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - thanh tuong va phong cong van phat co.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - thanh tuong va phong cong van phat co*.