Perhaps you should try some spelling variations:
van thanh » van tuan
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
dao duc » giao duc, tao duoc
cua tre » cua te, cuu tre, cua triet
ha cua » hoa cua, hai cua, nha 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 ky nang x hoi. hieu van dao duc ((van thanh) OR (ban thanh)) ha cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu van dao duc ((van thanh) OR (ban thanh)) ha cua tre*.