Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
hanh thai » hinh thai, hanh tai, anh thai
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
nang co » nang cao, nang doc, nang noi
co hoi » co hoc, co loi
sac ky » cac ky

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

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