Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung dung » ung dung, trung uong, trinh dung
anh quang » anh xquang, nhanh quang, tinh quang
trong tan » trong quan, trong cac, trong ca
anh quan » anh tuan, ban quan, anh nhan
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 - ((anh quang) OR (anh quan)) trung dung trong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "mot chieu sach - ((anh quang) OR (anh quan)) trung dung trong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: mot chieu sach - ((anh quang) OR (anh quan)) trung dung trong tan toan cao*.