Perhaps you should try some spelling variations:
sach tay » sach hay, sach nay, sach tai
ban danh » ban doanh, ban hanh, ban dan
xach tay » canh tay
lang van » dang van, tang van, hoang van
danh vi » hanh vi, dinh vi, danh di
cuu ban » cuu van, cua ban, cuu san
ve cham » va cham, ve chat, vu cham
van hoc » van hoa
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach tay) or (xach tay)) lang van hoc. hieu ((ve cham) or (ve cac)) cuu ban danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tay) OR (xach tay)) lang van hoc. hieu ((ve cham) OR (ve cac)) cuu ban danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach tay) or (xach tay)) lang van hoc. hieu ((ve cham) or (ve cac)) cuu ban danh vi cua tre*.