The reason online engines use adwords, is because they are trying to direct the person to the direct site that has the most relevant information. With ad words, one can find exactly what one is looking for.
Yes you can! Use (search) Google Adwords.
People use search engines to find information. Most people use search engines regularly, especially whenever they are doing some research.
Some common search engines include:GoogleBingYahoo!AskAOL Search
This website teaches you how to use adwords in an easy to understand manner: mywifequitherjob.com/how-to-use-adwords-the-right-way-with-your-online-store/. This is perfect for further reading on adwords usage along with tagging: http://www.ehow.com/how_2238340_use-adwords-google-analytics.html.
Adsense is free to use. They offer many free services and it is included with those. Adwords is the advertising program that costs money. Adwords is a service that gives customers top inorganic search results.
Generally speaking, meta search engines perform searches using a conglomeration of other search engines. Metasearch engines enable users to enter search criteria once and access several search engines simultaneously. Metasearch engines operate on the premise that the Web is too large for any one search engine to index it all and that more comprehensive search results can be obtained by combining the results from several search engines. This also may save the user from having to use multiple search engines separately.
Yes, I believe it could be a result of Sears.com Coupon adwords. I believe that sears is paying an incorporation to be in a featured add service. I'm 100% sure this is the reason why Sears Coupon adwords is showing up in your search result.
Google owns the AdWords technology and courses, so the best way to find a course would be to access the Google website and do a site search for "AdWords".
You should use a metasearch engine if you need more results than you would from a regular search engine. You can also use certain metasearch engines like Ixquick or StartPage if you are concerned with privacy. Metasearch engines are usually not search engines themselves. They redirect traffic to actual search engines and then return the results. That can help privacy since the largest search engines record the details of your search. If you use a metasearch engine, then all the large search engines would have is that the metasearch engine performed a search on their sites using whatever terms at whatever time. If the metasearch engine doesn't record your search details, then it would be harder to trace the search back to you.
The important point here about search results pages is that one main purpose of search engines is to provide searchers with relevant results.
There are two types of search engines 1. Hybrid search engines 2. Meta search engines
Spider-Based Search Engines. Directory-Based Search Engines. Link-Based Search Engines.