Perhaps you should try some spelling variations:
van chao » van chat, van hao, van cho
hieu van » hieu va, thien van, lieu va
thai cua » than cua, tai cuc, tri cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
su can » su van, su cao, tu can
su cac » tu cac, su cao, eu cac

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

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