Perhaps you should try some spelling variations:
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
va dinh » van dinh, va kinh, va tinh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
ve cac » vien cac

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 y lang xa hoi. hieu ((ve cac) OR (va cac)) xuc ((va dinh) or (ban hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y lang xa hoi. hieu ((ve cac) OR (va cac)) xuc ((va dinh) OR (ban hanh)) vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y lang xa hoi. hieu ((ve cac) OR (va cac)) xuc ((va dinh) or (ban hanh)) vai cua tre*".