Perhaps you should try some spelling variations:
dang hanh » dang thanh, ban hanh, dang van
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
doc hieu » hoc thieu, hoc hien
hanh hat » hanh cat, hanh han, thanh hai
hat dung » vat dung, dat dung, hai dung
danh van » doanh van, dang van, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) xanh - dang hanh hat dung cong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) xanh - dang hanh hat dung cong danh van ban*.