Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tu bai » tu ban, tu bat, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (tu bai)) ky nang xa hoi. ((hieu ve) or (hieu va)) am thuc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (tu bai)) ky nang xa hoi. ((hieu ve) OR (hieu va)) am thuc va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (tu bai)) ky nang xa hoi. ((hieu ve) or (hieu va)) am thuc va hanh vai cua tre*.