Perhaps you should try some spelling variations:
hieu vien » hieu hien, thieu nien, hieu tieng
hieu viec » nhieu viec, hieu ve, sieu viet
anh cong » hanh cong, anh dong, thanh cong
cong cua » cong cu, dong cua, huong cua
nang xa » nang x, lang xa, nang ma
cac luc » cau luc, coc luc, cac nuoc
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
luc va » duc va, tuc va, loc va
va anh » van anh, va danh, va hanh
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. ((hieu vien) or (hieu viec)) cac luc va anh cong cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. ((hieu vien) OR (hieu viec)) cac luc va anh cong cua cu.
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. ((hieu vien) or (hieu viec)) cac luc va anh cong cua cu*.