Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cau luc » cau phuc
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. hieu van ((cau luc) OR (cau truc)) van thanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu van ((cau luc) OR (cau truc)) van thanh vi cua tre*.