Welcome to Fievrr and as well as the forum!
There are no specific rules to get an order at Fiverr. Some basic things you can follow. Like, To create a professional and attractive gig, share your gig to social media, send perfect orders to the briefs you get e.t.c. The most important thing is needed to be patience here at Fiverr. In some cases, it takes too long time to get orders. So you must have to be patient. All the best!