Perhaps you should try some spelling variations:
ngan luc » nhan luc, nguon luc, nganh suc
dia danh » dia ban, gia dinh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
hieu tu » chieu tu, hieu tuc, hien tu
tu ngan » vu ngan, tu ngay, te ngan
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
tu van » tu va

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

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