Perhaps you should try some spelling variations:
thanh tap » thanh lap, thanh tai, thanh tay
te sach » toc sach
tap cua » tap quan, tiep cua
hoc van » hoc dan, hoc va, hoc vat
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
oc van » luoc van, quoc van
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) x hoi. hieu ve cham ((oc van) OR (hoc van)) thanh tap cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) x hoi. hieu ve cham ((oc van) or (hoc van)) thanh tap cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) x hoi. hieu ve cham ((oc van) or (hoc van)) thanh tap cua tre*.