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 costs" » "mail business cases", "mail business hours", "mail business centers", "small business costs", "retail business costs", "a business costs"
"family business costs" » "family business cases", "family business hours", "family business centers"

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 ("family business costs"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basic business case") OR ((("mail business costs") OR ("family business costs")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"basic business case\") or (((\"mail business costs\") OR (\"family business costs\"))))".
• Removing quotes may allow a broader search: (( basic business case ) or ((( mail business costs ) OR ( family business costs )))).
• Adding a wildcard symbol may retrieve word variants: (("basic business case") or ((("mail business costs") OR ("family business costs"))))*.