Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, mang may
hieu va » lieu va, hieu qua
cam buc » cam xuc, nam buoc
xa hanh » xa thanh, xa khanh, va hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
va cam » va cham, va cac, va cao
buc xa » tuc xa

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 v ((nang ma) or (nang cao)) hoi. hieu va cam buc xa hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v ((nang ma) OR (nang cao)) hoi. hieu va cam buc xa hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach v ((nang ma) or (nang cao)) hoi. hieu va cam buc xa hanh vai cua tre*.