Hits4pay I get mails but no ads to click one or two in a month and the admin is not that responsi

Hits4pay I get mails but no ads to click one or two in a month and the admin is not that responsive at all I havebeen in this sites since years clicked ads wroth $2.76 besides bonus where I have gone wrong ? Any clues ? It appears to be a genuine site but what has happebed to me ? Any guidance ?