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
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, xuc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
tu san » thu san, tu ban, vu san
tu can » tu ban, tu cac, thu canh
o hoi » co hoi, o hoc, o hoa
o hai » co hai, so hai, o lai

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

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