Perhaps you should try some spelling variations:
critical » criticsl
critica » critics
criticas » criticss, critics, critic, critico
criticsm » criticsim, critics, criticam
criticss » critics, criticos, criticks

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 ( criticsm OR ((criticas OR criticss) OR criticism) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( (critical or critica) or ( criticsm or ((criticas OR criticss) or criticism) ))".
• Adding a wildcard symbol may retrieve word variants: ( (critical or critica) or ( criticsm or ((criticas OR criticss) or criticism) ))*.