Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, nam thuc, dam thuc
va hanh » van hanh, va thanh, va danh
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

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 xa hoi. hieu van ((cam tuc) or (cam tu)) ((va hanh) or (van thanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang xa hoi. hieu van ((cam tuc) OR (cam tu)) ((va hanh) OR (van thanh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang xa hoi. hieu van ((cam tuc) or (cam tu)) ((va hanh) or (van thanh)) dai cua tre*.