[How do I upgrade my work?.]

Hello I am Nishi
I am very worried about my work. A few months after I started working at Fiverr, I quit due to personal reasons. Now back to work. But I am not getting work like before. Any kind of brief notification does not work for me. How can I improve my work? I want to work even with a low budget. I want to improve my work skills. Please seek expert opinion. help me May I return to my work? Can prove myself as suitable. Please give me proper advice.