Try using these as subject search terms in the library catalogue:
Use "and" to combine specific groups/ideas with different phrases:
The College of New Caledonia has over 260,000 ebooks available for students to access 24 hours a day and 7 days a week. The books can be read online, but cannot be signed out. As a result, no individual can hold books for longer than a few hours and preventing others from accessing them.