Perhaps you should try some spelling variations:
"critical" » "criticsl"
"critica" » "critics"
"criticala" » "criticsla", "criticalto", "criticas", "criticita"
"criticaland" » "criticsland", "criticaltond", "criticasnd", "criticitand", "criticavano", "criticismand", "practicaland"
"critically" » "criticslly"

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