Perhaps you should try some spelling variations:
tang luan » dung luan
cong cong » cong dong, trong cong, dung cong
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
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: theo ((chu xanh) or (chu manh)) - hanh ((tang luan) or (dung tai)) cong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chu manh)) - hanh ((tang luan) OR (dung tai)) cong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chu manh)) - hanh ((tang luan) or (dung tai)) cong cong dan toan ban*.