Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
hieu ve » hieu va, hieu van
cam tuc » cam xuc, nam thuc, dam thuc
va vanh » va van, va danh, va hanh
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
cam tu » cam thu, nam tu, dam tu
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 sai ky nang x hoi. hieu ve ((cam tuc) or (cam tu)) va vanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang x hoi. hieu ve ((cam tuc) OR (cam tu)) va vanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x hoi. hieu ve ((cam tuc) or (cam tu)) va vanh dai cua tre*.