Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung dung » ung dung, trung uong, trinh dung
ban quang » van quang, dan quang, tran quang
trong tan » trong quan, trong cac, trong ca
ban quan » van quan
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot chieu sach - ((ban quang) or (ban quan)) trung dung trong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot chieu sach - ((ban quang) OR (ban quan)) trung dung trong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - ((ban quang) or (ban quan)) trung dung trong tan toan cao*.