Perhaps you should try some spelling variations:
"critical racionalismo" » "critica racionalismo", "criticas racionalismo", "critico racionalismo", "critical nacionalismo"
"critical regionalism" » "critica regionalism", "criticas regionalism", "critico regionalism", "critical regionalismo", "critical regionales", "critical rationalism"
"criticos rationality" » "critico rationality", "critica rationality"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("critical racionalismo") OR ("critical regionalism"))) OR ("criticos rationality"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"critical racionalismo\") OR (\"critical regionalism\"))) OR (\"criticos rationality\"))".
• Removing quotes may allow a broader search: (((( critical racionalismo ) OR ( critical regionalism ))) OR ( criticos rationality )).
• Adding a wildcard symbol may retrieve word variants: (((("critical racionalismo") OR ("critical regionalism"))) OR ("criticos rationality"))*.