Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang x) OR (lang xa)) hoi. hieu ((ve cam) OR (va cam)) duc va hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang x) or (lang xa)) hoi. hieu ((ve cam) OR (va cam)) duc va hanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang x) or (lang xa)) hoi. hieu ((ve cam) OR (va cam)) duc va hanh vai cua tre*.