Perhaps you should try some spelling variations:
sach hay » sach han, sach ha, sach nay
qua cham » qua hai, qua cac, va cham
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
sach tu » sach thu, cach tu, sach ty
xang xa » lang xa, mang xa, ang xa
soc van » hoc van, oc van, sac van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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 hay) or (sach y))) or (sach tu)) xang xa hoi. hieu qua cham soc van hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach hay) OR (sach y))) OR (sach tu)) xang xa hoi. hieu qua cham soc van hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((((sach hay) or (sach y))) or (sach tu)) xang xa hoi. hieu qua cham soc van hanh vai cua tre*.