Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
nuoc van » nuoc va, nuoc san, luoc van
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
va dat » va dao, va dau, va dap

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 (ly nang)) x ho. hieu va dat nuoc van thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) x ho. hieu va dat nuoc van thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ly nang)) x ho. hieu va dat nuoc van thanh vai cua tre*.