Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
xuc ban » duc ban, cuc ban, quoc ban
xuc van » duc van, luc van, thuc van
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
tu sach » thu sach, su sach, te sach
ve cam » ve cham, ve cac, va cam
tu sac » tu cac, tu san, tu bac

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

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