Using the Business Control Center, you can configure Knowledge Manager Topic Settings, which modifies the way that topics are displayed in the topic tree and in the topic list in the results list. Select the Service Administration > Service Administration Configuration > Service Project
> Service Center > Knowledge Manager Settings > Topic page to enable or disable the display of document counts per topic.
Enable “Other” Topic –Select this box to enable a topic called “Other” to appear in the topic tree. Any solutions that do not have a topic are automatically included in “Other.” The “Other” topic is enabled by default
Enter the number of columns to use to display results in the Focus Results by Topic on Results Page field
You can configure the topics that are shown in Self Service. Choose one or more topics to be root topics for each Self Service site. Root topics are the topics shown when a user opens the browse screen or views search results. Users can expand the root topics to view any subtopics that they contain.