Perhaps you should try some spelling variations:
"based businesses cases" » "based business cases", "owned businesses cases", "new businesses cases", "based business case", "based businesses can"
"retail business books" » "retail businesses books", "rural business books", "mail business books", "retail business book", "retail business handbooks", "retail business yearbooks"
"gas business goals" » "sas business goals", "bass business goals"

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: (("retail business books") OR ((("gas business goals") OR ("based businesses cases"))))~.
• Removing quotes may allow a broader search: (( retail business books ) or ((( gas business goals ) or ( based businesses cases ))))~.
• Adding a wildcard symbol may retrieve word variants: (("retail business books") or ((("gas business goals") or ("based businesses cases"))))*.