Perhaps you should try some spelling variations:
"basic business case" » "big business case", "based businesses case", "banking business case", "basic business cycle", "basic business climate"
"mail business costs" » "mail business cases", "mail business hours", "mail business centers", "small business costs", "family business costs", "retail business costs"
"gas business costs" » "gas business cases", "gas business hours", "gas business centers", "a business costs", "_ business costs", "new business costs"

Try widening your search to All Fields.

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