These bot farmers are attacking you @thaokhanh just go to their account and flag every one of their posts and comments.
https://steemit.com/@fubar-bdhr
https://steemit.com/@bloom
https://steemit.com/@zathras
https://steemit.com/@zatrhas
https://steemit.com/@beerbot
https://steemit.com/@fubar165
Here is the list you need to downvote they will attack you until you are negative like me flag them with me and tell others to do the same we can knock them down from there free speech hating ways.