1. Try an Advanced Search on the name of the person AND the town of residence.
2. Scan the results for promising-looking matches.
3. Find your search term in the PDF file.
Remember that this is an optical character recognition search, and the software may not “read” the book correctly. If there’s an index, check it for ancestor names, as well. And because the book is full of news, names and information, it’s worth searching for other relatives’ names, too.