Using the Index
To fine tune your search, click the Index tab. If the Index tab is
not visible, click Show 
Type a specific word or phrase, or choose from the list of keywords. If the keyword is associated with multiple topics the search will display a list of all the topics. You can select the required topic to view. You can control the list of topics found by adding or removing keywords from your search. In this way, you can narrow your search until only the most relevant topics and keywords remain in the list.