Perhaps you should try some spelling variations:
"mixed critical resources" » "mixed digital resources", "mixed lexical resources", "mixed cultural resources", "mixed criticality resources", "based critical resources", "added critical resources"
"road initiative app" » "road initiative a", "road initiative ai", "road initiative als"

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: (("mixed critical resources") OR ("road initiative app")).
• Removing quotes may allow a broader search: (( mixed critical resources ) or ( road initiative app )).
• Adding a wildcard symbol may retrieve word variants: (("mixed critical resources") or ("road initiative app"))*.