Try to update your contents from time to time and also create some sitemap for your blog/site usually it can help in indexing your site
Here are some of the techniques that helps your site get listed or index: Search Engine Submission Ping your site Create a sitemap - it helps your sub-pages get index Creating quality of inbound links
Submit Your Site in Google Webmaster Tools and Not Enough Content in Your Site So Content and Site Navigation Also Must be Good