Fiverr Community Forum

How to reply effective buyer request

I am new in Fiverr marketplace. I know this marketplace is best in world. I am hopeful for my selling my experience. Some of day I saw few of buyer request and replying to them. But not any response me. I am disappointed. What reasons for it, May be my replying request is poor.
I want to expert opinion frequently how to reply strong buyer request. Please help me.
Firoz Mahmud