a full SEO campaign? elaborate pleaseDo some proper keyword research then implement a full scale SEO campaign to get ur site ranked for these keywords.
Naturally bringing in more traffic would equal more money, but you'd need to multiply your traffic by at least a 2 digit number, minimum, to start seeing any kind of earnings even worth the time. For that, either get a TLD, EMD, or a looot of backlinks.
Getting organic traffic to your website is a systematic process. If search engines love your site, you will get organic traffic without spending money. But search engines rank your site according to the quality of content and the quality of back links you have. If your site have more quality content and back links, search engines rank your site at top. So, back links and content are the most important things for generating organic traffic for your site. Submit your site in social bookmarking sites, directories, social media networking site etc..
You have gone pretty far. But the main business is still not done.
You need to understand seo well to get better performance than this.
Or you can hire someone to do this for you.