Perhaps you should try some spelling variations:
"basic business case" » "bass business case", "asia business case", "based business case", "basic business cycle", "basic business climate"
"mail business costs" » "mail business cases", "mail business customs", "mail business centers", "small business costs", "retail business costs", "small businesses costs"
"sas business costs" » "sas business cases", "sas business customs", "sas business centers", "seas business costs"

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 costs"))) or ("sas business costs"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("basic business case") OR ("mail business costs"))) OR ("sas business costs")).
• Removing quotes may allow a broader search: (((( basic business case ) or ( mail business costs ))) or ( sas business costs )).
• Adding a wildcard symbol may retrieve word variants: (((("basic business case") or ("mail business costs"))) or ("sas business costs"))*.