Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
tu cai » tu cac, tu can, tu bai
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, 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 cai ((ky sang) or (ky dang)) xa hoi. hieu ve cam tuc va hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ((ky sang) OR (ky dang)) xa hoi. hieu ve cam tuc va hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cai ((ky sang) or (ky dang)) xa hoi. hieu ve cam tuc va hanh thai cua tre*.