Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » hoc hien
tung tuan » trung tuan, hung tuan, quang tuan
tuan dung » tuan duong, tran dung, tan dung
trong tac » trong cac, tuong tac, trong tan
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (toc thieu)) sach - thanh tung tuan dung trong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sach - thanh tung tuan dung trong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sach - thanh tung tuan dung trong tac toan ban*.