Perhaps you should try some spelling variations:
luong cong » dung cong, trong cong, cong cong
hieu quang » thieu quang, hieu quan, hieu qua
duc luong » duc cuong, duc long, du luong
nha hieu » nha dieu, nghe hieu, phan hieu
anh nang » ganh nang, anh bang, anh dang
nang duc » nang luc, nang doc, nang du
cong dan » cong san, cong tan, huong dan
chan dau » han dau, chan doan, chuan dao
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: nha hieu quang - anh nang duc luong cong dan ((chan dau) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nha hieu quang - anh nang duc luong cong dan ((chan dau) OR (phan dau))*".