Perhaps you should try some spelling variations:
hieu thuoc » hieu thuc, lieu thuoc, bien thuoc
nhan luc » nang luc
hieu tue » hieu tuc, bieu thue, hieu thuc
dia danh » dia ban, gia dinh
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 thuoc)) 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 thuoc)) 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 thuoc)) nhan luc ((va hanh) or (dia danh)) dai cuu tre*.