Perhaps you should try some spelling variations:
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
tai cua » thai cua, tai cuc, tri cua
han tai » hang tai, nhan tai, van tai
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
ky tang » ky nang, ky dang, ky trong
va cam » va cham, va cac, va cao
va han » va phan, van han, va hanh
tu can » tu ban, tu cac, thu canh
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (tu can)) ((ky tang) OR (kho tang)) xa hoi. hieu va cam duc va han tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (tu can)) ((ky tang) OR (kho tang)) xa hoi. hieu va cam duc va han tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) or (tu can)) ((ky tang) OR (kho tang)) xa hoi. hieu va cam duc va han tai cua tre*".