Perhaps you should try some spelling variations:
"basic business case" » "big business case", "gas business case", "based businesses case", "basic business cycle", "basic business climate"
"mail business cases" » "mail business costs", "mail business cycles", "mail business licenses", "mail business climates", "small business cases", "family business cases", "retail business cases"
"based business hour" » "based businesses hour", "owned business hour", "based business hours", "based business how", "based business group"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("basic business case") or ("mail business cases"))) or ("based business hour"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("basic business case") OR ("mail business cases"))) OR ("based business hour")).
• Removing quotes may allow a broader search: (((( basic business case ) or ( mail business cases ))) or ( based business hour )).
• Adding a wildcard symbol may retrieve word variants: (((("basic business case") or ("mail business cases"))) or ("based business hour"))*.