To use full text search

HTML help viewer allows to search information by means of full-text search.

1. Click Search tab, and then type the word or phrase you want to find.
2. Click List Topics, select the topic you want, and then click Display.

When searching for words in help topics, you can have each occurrence of the word or phrase highlighted in the topics that are found. To active the feature, click Options in the toolbar and then click Search Highlight On. To turn off the option click Search Highlight Off.