To find the chapter with a certain keyword in the current book, you should do the following:
1. Go to the Search tab:
2. Enter the necessary word in the input field:
and click the Show.
3. If the program finds any matching sections, you will see them listed below:
4. Select the section you need and double-click it.
5. In the chapter that appears after that you will see that the first matching word is highlighted. You can find all the matches in this chapter by pressing F3.