Perhaps you should try some spelling variations:
day nhanh » day thanh, duy nhanh, dac nhan
thuat sac » thuat sach, thuat san, thuat tac
hieu van » hieu va, thien van, lieu va
nam thuc » nam thuoc, am thuc, nam thu
thuc day » thuc dan, thuc vat
nhanh ca » nhanh cay, nhanh cau, nhanh ha
cao hai » cao khai, cao tai, co hai
hieu ve » hieu va
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ca cua » co cua

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: thuat sac ky nang cao hai. ((hieu ve) OR (hieu van)) nam thuc day nhanh ca cua tre~.
• Adding a wildcard symbol may retrieve word variants: thuat sac ky nang cao hai. ((hieu ve) or (hieu van)) nam thuc day nhanh ca cua tre*.