Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hieu ve » hieu va
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cua tre » cua te, cuu tre, cua triet
te san » ke san, tu san, ta san
te ban » te bao, tu ban
cam tu » cam thu, nam tu, dam tu
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te san) OR (te ban)) ky nang x ho. ((hieu ve) or (hieu van)) cam tu va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (te ban)) ky nang x ho. ((hieu ve) OR (hieu van)) cam tu va hanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te san) OR (te ban)) ky nang x ho. ((hieu ve) or (hieu van)) cam tu va hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((te san) OR (te ban)) ky nang x ho. ((hieu ve) or (hieu van)) cam tu va hanh di cua tre*.