Perhaps you should try some spelling variations:
dung cong » dung trong
hien anh » hien hanh, thien anh, dien anh
anh nang » ganh nang, anh dang, anh sang
anh bang » anh hoang, anh quang, tinh bang
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
phan tap » phan lap, han tap, pha tap
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: hoc hien anh - ((anh nang) or (anh bang)) cua dung cong dan ((phan tap) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - ((anh nang) OR (anh bang)) cua dung cong dan ((phan tap) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - ((anh nang) or (anh bang)) cua dung cong dan ((phan tap) or (phan dau))*.