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

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 ("alan guides for the buy librarians."))~.
• Removing quotes may allow a broader search: (( alan guides for the busy libraries. ) or ( alan guides for the buy librarians. ))~.
• Adding a wildcard symbol may retrieve word variants: (("alan guides for the busy libraries.") or ("alan guides for the buy librarians."))*.