How to search an eBook you are reading online
Once you open the eBook to read online, the eBook itself opens in the centre of the page. Down the side of the page is a contents list, headed by the options: Contents, Search and Notes. Choose Search (screenshot below).
Choose to search This book (screenshot below) and enter your search word/s into the search box and select GO.
VLeBooks lists all the pages where your search word appears in the book. Click on one of the results in the list and VLeBooks takes you to the page in the eBook containing your search word. It also highlights in green the location of your search word/s on each page of the eBook.