Perhaps you should try some spelling variations:
tin nganh » trien nganh, vien nganh, tich nganh
cua hang » cua nhung, cua cong, cua ban
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
toc tin » hoc tin, doc tin, tuc tin

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc tin nganh - canh tranh ((cua hang) or (cua dang)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc tin nganh - canh tranh ((cua hang) OR (cua dang)) cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: toc tin nganh - canh tranh ((cua hang) or (cua dang)) cong dan toan ban*.