How to Avoid Google Sandbox
It is the biggest problem for Webmasters but do not worry there is always a way to escape 
How can your web site go into sandbox ?
a lot of link exchange, backlink in a little while
Spam keywords!
Copy content
Changing title of unupdated site
etc…
Solution
You should delete your old pages and install Wordpress
Than create approximately 10 categories and write 100 - 150 unique articles,
Google index your new pages.
1 week later install WP-Autoblog plugin to your wordpress and find a rss from a News Site.
After three weeks you will see your web site does not in sandbox anymore.