Perhaps you should try some spelling variations:
nhan luc » nang luc
hieu tue » bieu thue, hieu thuc, hieu tiem
dia danh » dia ban, gia dinh
hieu tuc » hieu thuc, hieu luc, hieu thuoc
dai cuu » dai cua, dai huu
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
dan ky » van ky
tu dan » tuc dan, tu ban, cu dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky dang xa hoi. ((hieu tue) OR (hieu tuc)) nhan luc ((va hanh) or (dia danh)) dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky dang xa hoi. ((hieu tue) OR (hieu tuc)) nhan luc ((va hanh) OR (dia danh)) dai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky dang xa hoi. ((hieu tue) OR (hieu tuc)) nhan luc ((va hanh) or (dia danh)) dai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu dan ky dang xa hoi. ((hieu tue) OR (hieu tuc)) nhan luc ((va hanh) or (dia danh)) dai cuu tre*.