Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
canh thanh » canh tranh, danh thanh, anh thanh
thanh hoat » thanh hoa, thanh hoai, thanh hoang
doi nhieu » doi chieu, doi nhu, doi hien
dong cong » duong cong, dung cong, dang cong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi nhieu tang - canh thanh hoat dong cong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: doi nhieu tang - canh thanh hoat dong cong dan van ban*.