Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
o hoc » mo hoc, so hoc, y hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((o hoc) OR (co hoc)). hieu ve cac xuc van hanh thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ((o hoc) OR (co hoc)). hieu ve cac xuc van hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((o hoc) OR (co hoc)). hieu ve cac xuc van hanh thai cua tre*.