Perhaps you should try some spelling variations:
thanh tuan » thanh xuan, thanh thanh, anh tuan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
tuan dung » tuan duong, tran dung, tan dung
trong tac » trong cac, tuong tac, trong tan
ho chieu » theo chieu, doi chieu, mot chieu
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: ((ho chieu) OR (hoc thieu)) sach - ((thanh tuan) or (thanh toan)) tuan dung trong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - ((thanh tuan) OR (thanh toan)) tuan dung trong tac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - ((thanh tuan) or (thanh toan)) tuan dung trong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) sach - ((thanh tuan) or (thanh toan)) tuan dung trong tac toan ban*.