Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
hanh thai » hinh thai, hanh tai, anh thai
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
me hoi » le hoi

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

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