Perhaps you should try some spelling variations:
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
ve cac » va 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) or (so sach)) ky lang xa hoi. hieu ve cac xuc ((van hanh) or (ban hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sach)) ky lang xa hoi. hieu ve cac xuc ((van hanh) OR (ban hanh)) vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sach)) ky lang xa hoi. hieu ve cac xuc ((van hanh) or (ban hanh)) vai cua tre*.