Perhaps you should try some spelling variations:
hoc thieu » hoc hien
dung cong » dung trong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) OR (toc thieu)) sang - ((anh tang) or (anh dang)) cua dung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - ((anh tang) OR (anh dang)) cua dung cong dan than tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (toc thieu)) sang - ((anh tang) or (anh dang)) cua dung cong dan than tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (toc thieu)) sang - ((anh tang) or (anh dang)) cua dung cong dan than tap*.