Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
phong sach » phong cach, duong sach, cong sach
toc chieu » toc thieu, doc hieu, hoc thieu
cong tran » cong tan, cong tuan, cong toan
tran cong » tran hong, trien cong, tran hoang
huong van » huong dan, hong van, luong van
duong van » duong va, luong va, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu sach - thanh cong tran cong ((huong van) or (duong van)) phong sach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sach - thanh cong tran cong ((huong van) OR (duong van)) phong sach.
• Adding a wildcard symbol may retrieve word variants: toc chieu sach - thanh cong tran cong ((huong van) or (duong van)) phong sach*.