Why your customer service so bad???Why?

Why your customer service so bad???Why?

I'm a paid customer for zoho CRM and zoho Mail and some problems with CRM and EMAIL FILTER.
I launched some tickets and send some emails to your customer service.
But your didn't reply me.  Crazy.
Can you improve your customer service????
I can't work without problem resolved, I have waited more time and so Anger,
Damn!!!