Perhaps you should try some spelling variations:
"critic" » "critica"
"critical" » "criticaal"
"critics" » "criticas"
"criticsa" » "criticasa"
"criticaasa" » "criticaaasa"

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: ((("critic" OR "critical") OR "critics") OR ("criticsa" OR "criticaasa")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((\"critic\" OR \"critical\") or \"critics\") or (\"criticsa\" or \"criticaasa\"))".
• Removing quotes may allow a broader search: ((( critic OR critical ) or critics ) or ( criticsa or criticaasa )).
• Adding a wildcard symbol may retrieve word variants: ((("critic" OR "critical") or "critics") or ("criticsa" or "criticaasa"))*.