Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham tuc » nham thuc, pham thuc, tham thuc
van tuan » van quan, van ban, anh tuan
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
tuan di » tuan do, truan doi, quan doi
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 tuan 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 tuan di cua tre*.