Perhaps you should try some spelling variations:
"American exceptionalism" » "American exceptionality", "American excepcionales", "American excepcionais", "American excepcionalism", "American exceptionism", "American excepcionalesism"
"American exceptional" » "American excepcional", "American exception", "American excepcionales"
"American excepcionalismo" » "American excepcionales", "American excepcionalidad"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("American exceptionalism") OR ("American exceptional"))) OR ("American excepcionalismo"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"American exceptionalism\") OR (\"American exceptional\"))) OR (\"American excepcionalismo\"))*".
• Removing quotes may allow a broader search: (((( American exceptionalism ) OR ( American exceptional ))) OR ( American excepcionalismo ))*.