Some tips:
- Submit a xml sitemap via webmaster tools (rss feeds also work if you cant provide a sitemap)
- Get high PR backlinks, that will increase the rank of your site.
- This topic can help for quick indexing.
- Get a twitter account and feed your latest updates to it, it will help. e.g. click
- Be patient, this will not work overnight.

You will never get every page listed on google, but these steps will help you get more pages listed.