A recent survey indicated that some of the best-known search engines come up with only 16 percent of the data available on the Internet on any given subject. In addition, many search engines provide links that seem to be totally unrelated or inappropriate to what you are searching for, while others may not provide the most appropriate links first. Therefore, try to find a search engine that specializes in the kind of information you want. To avoid finding inappropriate links, use parental blocks, as needed. Bookmarking key sites is one way to help you more easily find them.
Most browsers have some easy tools for organizing key links.
Use a reference web site that breaks down information by categories. It is oriented specifically toward research and not just entertainment. While there, you'll find an extensive list of search engines listed. Some of these are noted below. Web Search Narrow your search.