Use bold tagging: Use the tags around some of your keywords on each page. Don't use them everywhere the keyword shows. Once or twice is enough. Example - Clifinar.
Deep linking: Verify you got links coming in to as many pages in your site as possible. This tells a search engine that your content is important. It is recommended to link to only to the homepage, but also to internal pages of the website. You can see this in the clifinar post.
Multiple domains: If you have several issues that could each support their own website, it might be worth having multiple domains. That is because search engines generally record only one page per domain for any given search, and you probably be happy to have more than one page indexed. Also, directories usually accept solelyhome pages, so you can get more directory listings by having a few more domains. You can see an example for this in clifinar on word press and hubpages.
Have several pages of articles connected to your site's topic. Choose a different search term for each article you upload. You can see my article on ArticlesBase and also on Articleset.