If no results are found within any of the four sections, an Internet search will be conducted through Google. For example, a search on golf clubs will return sites that have both golf and clubs in the site's name and description. If no sites are found that contain both terms, sites that contain either term will be displayed. Sometimes the order of the search terms matters. Using phrase searching can greatly reduce the number of sites that are matched by a search.
All searches use and as the default linking operator between all of the search terms.
See the next section on using Boolean operators. Terms linked by the and operator will return only those sites that match all the search terms linked by the and operator. The default is and . If you don't use any Boolean operators, only those sites that contain at least one occurrence of each search term will be returned. Terms linked by the or operator will return those sites that match any of the search terms linked by or .