my application has been rejected 3rd time

Hello,

I am an data entry professional. my application was "rejected for a third time"  I have been trying to apply for people per hour but every time I submit an application, it got rejected without a reason. I have properly filled my application with every details and certifications but still, I haven't received any positive response from PPH. Kindly let me know what can I do in order to begin working with you?  

Looking forward to your positive response