Perhaps you should try some spelling variations:
hanh luan » khanh luan, hang luan, hanh luat
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
cay cao » chay cao, cay co, tay cao
ca cao » ca dao, cu cao, ca cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((cay cao) or (ca cao)) tang - hanh luan van dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cay cao) OR (ca cao)) tang - hanh luan van dung cong dan than cau*.