Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
te sach » toc sach
van cao » van dao, van bao, van hao
cao duc » dao duc, cao suc, giao duc
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) OR (v nang)) x hoi. hieu van cao duc van thanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (v nang)) x hoi. hieu van cao duc van thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (v nang)) x hoi. hieu van cao duc van thanh vai cua tre*.