Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
tan toan » tan tran, tap toan, van toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (trieu tinh)) - thanh dung luan dong cong ((tan toan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (trieu tinh)) - thanh dung luan dong cong ((tan toan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (trieu tinh)) - thanh dung luan dong cong ((tan toan) or (van tuan)) cau*.