Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
tam huong » tam thuong, tay huong, tam duong
doc hieu » toc thieu, hoc thieu, hoc hien
tam hung » cam hung, tai hung, ham hung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 xanh - thanh tung ((tam hung) OR (tam huong)) cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - thanh tung ((tam hung) OR (tam huong)) cong dan toan ban*".