As a new seller you will be seen buyer request for a very short time. Once you see the buyer request, you click send offer as early as possible. If you don't do this, you won't find the request after few minutes.
You should be regular in the marketplace. You should improve your skill in work. All those who are successful in marketplace have spent a long time mastering their skills. You be patient Dear.
GIG ranking over Fiverr usually not up to the seller. It mainly depends on you hard work and responsibility. Like whether you are regularly active in Fiverr? Whether to send regular (10) buyer requests in the proper way? Does the response work properly? Whether the work is delivered on time?
There are also many issue.
But patience & Confidence is important in Fiverr