Perhaps you should try some spelling variations:
"reforming business books" » "transforming business books", "emerging business books", "reforming business book", "reforming business handbooks", "reforming business yearbooks"
"african business books" » "africa business books", "american business books", "asian business books", "african business book", "african business handbooks", "african business yearbooks"
"german business books" » "green business books", "american business books", "german business book", "german business handbooks", "german business yearbooks"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("reforming business books") or ((("german business books") OR ("african business books"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("reforming business books") OR ((("german business books") OR ("african business books")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"reforming business books\") or (((\"german business books\") OR (\"african business books\"))))".
• Removing quotes may allow a broader search: (( reforming business books ) or ((( german business books ) OR ( african business books )))).
• Adding a wildcard symbol may retrieve word variants: (("reforming business books") or ((("german business books") OR ("african business books"))))*.