Perhaps you should try some spelling variations:
anh thuc » am thuc, dan thuc, anh tu
vai cua » dai cua, hai cua, lai cua
den vai » den va, den vay, den vi
sach ky » sach y, sach ty, sach kem
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
sac ky » cac ky, sai ky
va den » va dien, van den, va de
o hoi » co hoi, o hoc, o hai

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 ((sach ky) OR (sac ky)) nang o hoi. hieu ve ((cac hop) OR (anh thuc)) va den vai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang o hoi. hieu ve ((cac hop) or (anh thuc)) va den vai cua tre*.