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

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 ("process business case"))) OR ("proper business chapter")).
• Removing quotes may allow a broader search: (((( proper business cases ) or ( process business case ))) or ( proper business chapter )).
• Adding a wildcard symbol may retrieve word variants: (((("proper business cases") or ("process business case"))) or ("proper business chapter"))*.