Perhaps you should try some spelling variations:
vat dung » van dung, va dung, viet dung
ky lang » ky nang, ky dang, ky tang
van hoi » van hoc, van hoe, van loi
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tuc vat » thuc vat, tuc va, tuc hat
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky lang ((van hoi) OR (van hoa)). hieu va cam tuc vat dung tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky lang ((van hoi) OR (van hoa)). hieu va cam tuc vat dung tai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky lang ((van hoi) OR (van hoa)). hieu va cam tuc vat dung tai cua tre*.