Previously we have reviewed PDF search engines. And they are dedicated to find PDF files. In this article you will find PDF Database, an advance search engine. It lets you search and download from more than 7 million PDF / doc files. It basically uses an algorithm to search for PDF and doc files from all over the web instantly. It’s a new search engine to be released, but gaining popularity in a high level.
This search engine also displays the recent 10 searches in similar category. It shows the recent 200 searches on its main page.
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