Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
van lam » van nam
vai cua » dai cua, hai cua, lai cua
cuc ban » cua ban, cac ban, cuu ban
van cam » van nam, van cau, van dam
sach ky » sac ky, sach y, sach ty
dang xa » dang xay, lang xa, dang ha
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 ky ((dang xa) or (van xay)) hoi. hieu ((van cam) OR (van lam)) cuc ban hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((dang xa) OR (van xay)) hoi. hieu ((van cam) OR (van lam)) cuc ban hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((dang xa) or (van xay)) hoi. hieu ((van cam) OR (van lam)) cuc ban hanh vai cua tre*".