StartUp To Learn Hacking: Google's Dorks...
Google Dork is an employee who unknowingly exposes sensitive corporate information on the Internet. Google dork queries are built with the advanced search operators that IT administrators, researchers and other professionals use in their daily work to narrow down search engine results.
The following search query will locate all websites that have the words "admbook" and "version" in the title of the website. It also checks to ensure that the web page being accessed is a PHP file.
intitle:admbook intitle:version filetype:php
Here is a PDF which you can use for more study.
Here is a list of 4000+ Google dorks.
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