Perhaps you should try some spelling variations:
"based businesses case" » "based business case", "owned businesses case", "new businesses case", "based businessmen case", "based businesses can", "based businesses create"
"mail business books" » "mail business book", "mail business handbooks", "mail business yearbooks", "small business books", "retail business books", "small businesses books"
"basic business case" » "bass business case", "asia business case", "based business case", "basic business cycle", "basic business climate"

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: (("mail business books") or ((("basic business case") OR ("based businesses case"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("mail business books") OR ((("basic business case") OR ("based businesses case")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"mail business books\") or (((\"basic business case\") OR (\"based businesses case\"))))".
• Removing quotes may allow a broader search: (( mail business books ) or ((( basic business case ) OR ( based businesses case )))).
• Adding a wildcard symbol may retrieve word variants: (("mail business books") or ((("basic business case") OR ("based businesses case"))))*.