Perhaps you should try some spelling variations:
"plan guide for the busy librarians." » "plan guide for the busy librarian.", "plan guide for the usa librarians.", "plan guide for the gay librarians.", "plan guides for the busy librarians.", "can guide for the busy librarians."
"alan guides for the busy libraries." » "alan guides for the busy librarian.", "alan guides for the bac libraries.", "alan guides for the why libraries.", "ala guides for the busy libraries.", "plan guides for the busy libraries."

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("alan guides for the busy libraries.") OR ("plan guide for the busy librarians."))~.
• Removing quotes may allow a broader search: (( alan guides for the busy libraries. ) or ( plan guide for the busy librarians. ))~.
• Adding a wildcard symbol may retrieve word variants: (("alan guides for the busy libraries.") or ("plan guide for the busy librarians."))*.