Perhaps you should try some spelling variations:
thanh ban » thanh san, thanh bac, thanh bai
thanh van » thanh san, thanh toan, thanh phan
quan dang » quang dang, quan lang, quan dong
dang cong » dung cong
chu nang » chuc nang, chua nang, cuu nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
tho chu » theo chu, cho chu, ho chu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tho chu nang - ((thanh ban) or (thanh van)) quan dang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tho chu nang - ((thanh ban) OR (thanh van)) quan dang cong dan toan cao*.