Besides Google and Bing there are other alternative engines search, As the 2Lingual, with which you can find content and features not available on Google.
Although the Google Search as well as other search engines support multiple languages, none can be searched at the same time two languages. In none but the 2Lingual.
What is interesting about 2Lingual is the fact that the basic search technology is Google Search, so you will not lose quality, but you will get something more, which is not offered by Google's standalone tool.
Users can choose from a wide range of languages and have the Results for two different search languages side by side. Of course, it also supports the Greek language. From our short experience with this tool, we can confidently say that it works quite well, so we have no problem recommending it.