Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
danh thanh » dinh thanh, dang thanh, nhanh thanh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh van » thanh san, thanh toan, thanh phan
van thong » van thuong, van phong, va thong
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: toc ((thieu xanh) OR (hieu manh)) - danh thanh van thong cong dan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (hieu manh)) - danh thanh van thong cong dan van ban*".