Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
cham tuc » nham thuc, pham thuc, tham thuc
thanh di » thanh doi, thanh de, thanh do
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
tuc van » thuc van, truc van, tuc va
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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) OR (toc sach)) ty nang xa hoi. lieu va cham tuc van thanh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) ty nang xa hoi. lieu va cham tuc van thanh di cua tre*.