Perhaps you should try some spelling variations:
"based businesses case" » "based business case", "owned businesses case", "new businesses case", "based businessmen case", "based businesses can"
"mail business costs" » "mail business cases", "mail business customs", "mail business case", "small business costs", "retail business costs", "small businesses costs"
"gas business costs" » "gas business cases", "gas business customs", "gas business case", "sas business costs", "bass 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: (((("based businesses case") or ("mail business costs"))) or ("gas business costs"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("based businesses case") OR ("mail business costs"))) OR ("gas business costs"))*.
• Removing quotes may allow a broader search: (((( based businesses case ) or ( mail business costs ))) or ( gas business costs ))*.