Monitoring service news and social networks. I want to find information using keywords through my sources

I need private software where I can add any source such as social networks and web resources. Also I want to add keywords which will be searched in the inside of this source. For example: I have sources [login to view URL], [login to view URL] and e.t.c. Searching mechanism find my keywords like "John Miller" and will sent me result to the mail. I want to add unlimited keywords. Software I need only for adding source, keywords and mail. Sources language can may in different languages Rss doesn't work. I can add facebok, youtube, twitter, vkontakte, odnoklassniki and news web pages. In youtube, facebook and etc. I want to find information also from comments Searching system need to find information everywhere from my sources.