Is there a reason for Riot support don't answer our bug requests

How to contact with support ? and i followed every step at the way to contact them to report a problem not with my in game or the lag but in the accrual Clint the mission i stated and i ended it , the Clint is not clearing it up it stuck is there a solution and another issue with the Queue every time i inter the password and and go in the game it repair the game by it's own then it gives me 4 matches 20 min every signal time i go in