To browse for solutions using topics,
Click the Solutions tab in the header pane. This opens the Solutions list view page.
Hover over Browse By Topics drop-down menu. This opens the Categories window listing all the topics and their sub topics as shown below,
To view all the sub topics, click >>Show All link on the right hand side of the page. This lists out the topics and sub topics in a logical manner.
On clicking the topic, the solutions of the topic and its corresponding sub topics gets listed. Click the sub topic to view the solutions only in that sub topic.