Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, hanh va
hanh lai » hanh tai, thanh lap, thanh loi
te sach » toc sach
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
o hoc » co hoc, mo hoc, so hoc
o hoi » co hoi, o hai, o hoa

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 ty nang ((o hoi) OR (o hoc)). hieu ve cam xuc van ((hanh lai) or (hanh lam)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((o hoi) OR (o hoc)). hieu ve cam xuc van ((hanh lai) OR (hanh lam)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((o hoi) OR (o hoc)). hieu ve cam xuc van ((hanh lai) or (hanh lam)) cua tre*".