Copy The Following Code And Paste It In Google.
+("index of") +("/ebooks""/book") +(chmpdfziprar) +apache
If u are interested, u can change some values in the code to come up with another search results.I will explain which values u need to modify ...u can change ("/ebooks""/book") to ("/photoshop") or ("/photoshop""adobe"). //
The '' means ORu can also change (chmpdfziprar) to (avimpg) denpending on ur search (ebook or movie or application)the most important thing that u should understand is that u can use '' to separate the SEARCH WORDS and FILE EXTENSIONS;
so u can put as many parameters as u like Separated by ''.