Perhaps you should try some spelling variations:
"critical" » "criticsl"
"critica" » "critics"
"criticala" » "criticsla", "criticaland", "critically", "criticalto"
"criticallynd" » "criticsllynd", "critically", "criticaland", "criticallyill"
"criticality" » "criticslity", "critically"

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: ("critical" OR ("critica" OR (("criticala" OR "criticallynd") OR "criticality"))).
• Removing quotes may allow a broader search: ( critical or ( critica or (( criticala or criticallynd ) or criticality ))).
• Adding a wildcard symbol may retrieve word variants: ("critical" or ("critica" or (("criticala" or "criticallynd") or "criticality")))*.