Perhaps you should try some spelling variations:
"problem of induccion" » "problema of induccion", "problems of induccion", "problem of reduccion"
"problem of introduccion" » "problema of introduccion", "problems of introduccion", "problem of produccion"
"problemas of induction" » "problemaas of induction", "problemsas of induction", "problemas of reduction", "problemas of infection", "problemas of introduction"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("problem of induccion") OR ("problem of introduccion"))) OR ("problemas of induction"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"problem of induccion\") OR (\"problem of introduccion\"))) OR (\"problemas of induction\"))".
• Removing quotes may allow a broader search: (((( problem of induccion ) OR ( problem of introduccion ))) OR ( problemas of induction )).
• Adding a wildcard symbol may retrieve word variants: (((("problem of induccion") OR ("problem of introduccion"))) OR ("problemas of induction"))*.