If you go ahead with your hunt for search engines, you will find thousands of them on the internet. However, there is only a few which deliver the three key features expected from an ideal search engines. These three key features are relevant results as in the results that you are actually looking for, uncluttered & easy to use interface and the helpful options to broaden or tighten a search. Rest of the search engines are usually very specific and small sized which serves to some unique user groups for some specific usages or features.
Here we have compiled a list of 5 search engines that fulfills the multipurpose requirements of the users and meet 99% of their searching needs.

Yahoo

Bing
Owned by Microsoft Bing is the 3rd most popular search engine in the world. It was launched in the year 2009 and is available in more than 40 languages globally. It was earlier known as Live search and windows search as the earlier version of search engines by Microsoft. It is the 24th most popular and visited website in the world.
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Ask
Founded by Garrett Gruener and David Warthen in California in 1996, Ask is a search engine based on the question-answer format. In the beginning, it was a platform for web searches searched in the format of questions and answers however in the year 2010, Ask announced that it would be outsourcing its search indexing and crawling to Google, Bing and the other best search engines in the category. Its Alexa ranking is quite remarkably at 45th place in the web world.
Teoma

These were the top five search engines of the world you can rely on. There are many others in the list that are quite efficient and helpful such as Duck Duck Go, Entire Web, Blekko, Scrub the Web, Giga Blast and so on.
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