Pdf Search Engines
Very often for searching eBooks (pdf type) or pdf documents we prefer Google or famous search engines which usually receive complex links to find out the right one. Best alternatives are to prefer specialized pdf search engines.
Pdfgeni.com is an excellent pdf documents search engine. Pdfgeni is very suitable for use to search pdf documents like any publish article or cheet sheets. Although there are many web service which let users share pdf documents, but prefer Pdfgeni because of its loading and searching speed. It has got a Firefox search Plug-in too.
If looking for alternatives paper search , PdfDbase.com, pdfoxy, pdf-search-engine are best or if looking for more customized Visual search, then LocPDF is a visual search engine for PDF files. When you search for a PDF file using a keyword, it returns the results as clickable thumbnails, click on these thumbnails and it will allow you to preview the PDF file as an image, so that you can decide on the downloading of this file.