Если Вы ищете документы в Интернете, лучше всего использовать специализированные поисковые системы, которые находят документы с указанными расширениями, такими как Word, PDF, PPT

If you are looking for documents on the internet , you ‘d rather use specialized search engines which will bring you documents with indicated extensions such as word , pdf , ppt .Here is a compilation of the best document search engines I found online :

DocJax

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Searchdocs   Use this search engine to find documents in the following ‘Documents Sharing Communities’

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Find a PDF   Search PDF Files Easily and Quickly
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PDFfind  Search only PDF files online

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Brupt   Document Search Engine based on Google Customized Search.

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 09h15  Search engine in various languages for documents , pdf , presentations and spreadsheets.

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TypePDF Searches through “1045691″ of PDF documents and ebooks found in the world wide web.

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FreeBookSearch  This search will find documents on school, college and university websites.

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Osun  Searches for doc, pdf and ppt
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PDF Search Engine  Searches for documents with the following extensions : doc , pdf , chm , rft , txt

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http://www.documbase.com/         

http://www.freefullpdf.com                   

http://searchadocument.com

http://searchpdffiles.com                            

 http://dum.im

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