Google Showing More Results Per Domain

Google recently updated their algorithm to show more organic results for a given domain. If you are interested in Ten Golden Rules, for example, you are likely to get eight pages listed within the site links beneath the normal search listing, as shown in the image below:
So what can you do to increase the number of links displayed to your domain in Google’s search engine results page? One basic approach you can take is to optimize multiple pages for a single search phrase. Your most important phrase should appear on all of your top level pages. In addition, build links to those pages using variations of the phrase as anchor text.