Crawl for related terms
Similar to the related search, a crawl returns a list of related keywords. The difference is in a way the results are obtained. A crawl based search will perform a search for the specified keyword or search phrase, crawl the first 100 pages found and compile a list of common words. Note: As the crawl downloads and analyzes a large number of web pages, it is slower than other types of searches.
Outside the advanced search page, a crawl search can be performed by entering crawl: as the prefix for the search term.
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