Perhaps you should try some spelling variations:
"based business cases" » "based businesses cases", "bass business cases", "owned business cases", "based business cycles", "based business licenses", "based business climates"
"mail business costs" » "mail business customs", "mail business centers", "small business costs", "retail business costs", "small businesses costs"
"gas business case" » "gas business cycle", "gas business climate", "sas business case", "bass business case"

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

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