Perhaps you should try some spelling variations:
"proper business cases" » "process business cases", "european business cases", "proper business chapter"
"proper business case" » "process business case", "european business case"
"proper business computer" » "process business computer", "european business computer"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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