Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
van hanh » van thanh, ban hanh, van anh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, chat xuc, cac cuoc
nang ru » nang du, nang tu, nang su
hieu ve » hieu va, hieu van
tu bac » tu cac, tu bat, tu bai
ru lai » tu lai, vu lai
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu ban)) ky nang ru lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu ban)) ky nang ru lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bac) or (tu ban)) ky nang ru lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu ban)) ky nang ru lai. hieu ve ((cac xuc) OR (cac nuoc)) van hanh thai cua tre*.