Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"philosophy de lenguas" » "philosophy a lenguas", "philosophy in lenguas", "philosophy and lenguas", "philosophy de lenguaje", "philosophy y lenguas", "philosophy del lenguaje"
"philosophy el lenguaje" » "philosophy a lenguaje", "philosophy in lenguaje", "philosophy and lenguaje", "philosophy del lenguaje"
"philosophy y lenguaje" » "philosophy a lenguaje", "philosophy in lenguaje", "philosophy and lenguaje", "philosophy del lenguaje"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("philosophy de lenguas") OR ((("philosophy y lenguaje") OR ("philosophy el lenguaje"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"philosophy de lenguas\") OR (((\"philosophy y lenguaje\") OR (\"philosophy el lenguaje\"))))".
• Removing quotes may allow a broader search: (( philosophy de lenguas ) OR ((( philosophy y lenguaje ) OR ( philosophy el lenguaje )))).
• Adding a wildcard symbol may retrieve word variants: (("philosophy de lenguas") OR ((("philosophy y lenguaje") OR ("philosophy el lenguaje"))))*.