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

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