Perhaps you should try some spelling variations:
chat thuc » thuat thuc, nhan thuc, chat thai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
sang ky » sang kyo, dang ky, tang ky
nang xa » nang x, lang xa, nang ma
vat don » vat dong, va don, van don
don vai » don vi, don va, den vai
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
san ky » dan ky, ban ky, tan ky

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: tu ((((san ky) OR (sang ky))) OR (van ky)) nang xa hoi. hieu van chat thuc vat don vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((san ky) OR (sang ky))) or (van ky)) nang xa hoi. hieu van chat thuc vat don vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((((san ky) OR (sang ky))) or (van ky)) nang xa hoi. hieu van chat thuc vat don vai cua tre*.