Perhaps you should try some spelling variations:
hoc thieu » toc thieu
dung cong » dung trong
quan anh » quan hanh, quang anh, tuan anh
cua dung » cua dang, cua dong, qua dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
lan anh » van anh, tuan anh

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 (hoc hien)) sach - ((lan anh) or (quan anh)) cua dung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) sach - ((lan anh) OR (quan anh)) cua dung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) sach - ((lan anh) or (quan anh)) cua dung cong tac toan ban*.