Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
cua tre » cua te, cuu tre, cua triet
hai cua » thai cua, dai cua, hoi cua
ta hanh » ta thanh, va hanh, tu hanh
nang ma » tang ma, nang cao, mang may
cac toc » cac toi, cac nuoc, cac thoi
sang ma » tang ma, sang tao, mang may
hieu va » lieu va, hieu qua
toc ta » toc tay, toc thai
tu san » thu san, tu can, vu san
tu ban » thu ban, te ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky ((nang ma) OR (sang ma)) hoi. hieu va cac toc ta hanh hai cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky ((nang ma) or (sang ma)) hoi. hieu va cac toc ta hanh hai cua tre*.