Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
co sach » bo sach, cuon sach, hoc sach
sach tu » sach thu, cach tu, sach ty
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, vu cham
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
me hoi » le hoi
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach tu san ((me hoi) or (xa hoi)). hieu ((ve cham) or (ve cac)) xuc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach tu san ((me hoi) OR (xa hoi)). hieu ((ve cham) OR (ve cac)) xuc va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: co sach tu san ((me hoi) or (xa hoi)). hieu ((ve cham) or (ve cac)) xuc va hanh vai cua tre*.