Here is 4 ways to make your blog posts more findable in search engines:
Link To Your Other Posts
If you have written about the topic previously in another post link your post to the previous one from one of your key words. Read more about keywords and interlinking from 25 Reasons Why Google Hates Your Blog and Interlink Your Posts by ProBlogger.
Link To Other Bloggers
It’s always good to link to what other bloggers are writing about the subject. Follow some of them with Google Reader or similar.
Use SEO Plugins
There is several plugins for SEO (Search Engine Optimization). One of which is SEO Auto Linker. It makes a link automaticly from words you have preset to the pages you have preset. Remember to put the maximum number of links from the same word to 1-2. From the reader’s point of view it’s not good to have too many links in your post.
Use Your Themes Own SEO Settings
Many themes have their own SEO settings which allow you to set the META keywords, META description, custom document title and custom META post/page description to both each posts and pages in your blog.