1. To find e-books on "java", use the following search query. Replace "java" with appropriate keywords to get required e-books.
-inurl:htm -inurl:html intitle:"index of" +("/ebooks"|"/book") +(chm|pdf|zip) +"java"
2. Free comic books
-inurl:htm -inurl:html intitle:"index of" "Last modified" tin-tin cbr
3. Music files
-inurl:(htm|html|php) intitle:"index of" +"last modified" +"parent directory" +description +size +(wma|mp3) "Shakeera"
4. Android APK installers
-inurl:htm -inurl:html intitle:"index of" apk
5. Access sites from "google cache" directly from url
Append "cache" before the site name.
eg: cache:http://yahoo.com
6. Google Translate as a Proxy
http://translate.google.com/translate?sl=ja&tl=en&u=http://<required site url>/
