Perhaps you should try some spelling variations:
"critical rationalism" » "critica rationalism", "criticas rationalism", "critico rationalism", "critical nationalism", "critical racionalismo", "critical regionalism"
"critical regionales" » "critica regionales", "criticas regionales", "critico regionales", "critical regional", "critical regiones"
"critical rationality" » "critica rationality", "criticas rationality", "critico 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 rationalism") OR ("critical regionales"))) OR ("critical rationality"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"critical rationalism\") OR (\"critical regionales\"))) OR (\"critical rationality\"))".
• Removing quotes may allow a broader search: (((( critical rationalism ) OR ( critical regionales ))) OR ( critical rationality )).
• Adding a wildcard symbol may retrieve word variants: (((("critical rationalism") OR ("critical regionales"))) OR ("critical rationality"))*.