Perhaps you should try some spelling variations:
"basic business books" » "big business books", "gas business books", "mail business books", "basic business hours", "basic business goals", "basic business forms"
"basic business costs" » "big business costs", "gas business costs", "mail business costs", "basic business cases", "basic business hours", "basic business centers"
"central business case" » "central business cycle", "central business climate"

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