Perhaps you should try some spelling variations:
"basic business case" » "bass business case", "asia business case", "asian business 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", "retail business cases", "small businesses cases"
"based business hour" » "based businesses hour", "bass business hour", "owned business hour", "based business hours", "based business how", "based business hong"

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"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"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"))*.