Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va
nang xa » nang x, lang xa, nang ma
ban ky » van ky, dan ky
te ban » te bao, tu ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te ban ky nang xa hoi. ((hieu ve) or (hieu van)) cam tuc ((va hanh) or (va danh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ban ky nang xa hoi. ((hieu ve) OR (hieu van)) cam tuc ((va hanh) OR (va danh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: te ban ky nang xa hoi. ((hieu ve) or (hieu van)) cam tuc ((va hanh) or (va danh)) dai cua tre*.