When you have performed a search, you
can specify that any subsequent searches be performed only on the
topics that were found in the previous search results.
In the navigation pane of the Help Viewer, click the Search tab.
Click the Search previous results check box.
Type a word or a phrase.
Click List Topics to display a list of the topics that
contain the word or phrase you specified.
In the list, double-click the topic title to display the help
topic.
The search targets only the last
group of topics that were searched.