Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
thai cuu » thai cua, tai cuc, thi cuc
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cuu tre » cua tre, cau tren, cau treo
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ve cac » va cac, vien cac
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 ky nang ((o hoi) or (o hai)). hieu ve cac xuc van hanh thai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ((o hoi) OR (o hai)). hieu ve cac xuc van hanh thai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ((o hoi) or (o hai)). hieu ve cac xuc van hanh thai cuu tre*.