Sitemap Advantages 

You may want to use GSearch Pro as a replacement for the Joomla! core search. This has certain distinct advantages:

• All pages are included, even pages that are not  part of Joomla! itself on your page.
  
• No search-plugins necessary for third-party components. Some components (like FireBoard, Remository) need plugins for their pages to be included in the Joomla core search results. But GSearch Pro (through Google Search) has the distinct advantage of not needing any of those plugins.
• The AdSense advantage.

The answer is to use Google Sitemaps. You can generate a sitemap of your site and submit it at Google Webmaster Tools. here is a brief description of how you can do it fast.

• Create a sitemap of your site. We use XML-sitemaps (Figure 1), which includes ALL pages of your site (unlike many other free sitemap generators that limit to a few hundred pages). XML-sitemaps is a standalone script that you can install on your server and generate sitemaps, which are compatible not only with Google, but also with Yahoo! and other search engines. Most importantly, you can set it to autogenerate sitemaps, using cron jobs.
  
• Register at Google Webmaster Tools. If you already have a Google Account, just log in.
  
• Add your site (Figure 2) and then add the sitemap (Figure 3)
  
• Verify your site (using either a Google provided meta tag of a blank HTML file in your site - we recommend the HTML file, so that you continue to be considered 'verified' even after you change your template)
• The click on Tools > Set Crawl Rate > Faster (Figure 4)
  

Figure 1:

Figure 2:

Figure 3:

Figure 4: