Perhaps you should try some spelling variations:
"estudios. postgrado lo pedagogia. una." » "estudios. postgrado de pedagogia. una.", "estudios. postgrado en pedagogia. una.", "estudios. posgrado la pedagogia. una.", "estudios. postgrado uoc pedagogia. una.", "estudios. postgrado eco pedagogia. una.", "estudios. postgrado lo pedagogico. una."
"estudios. postgrado la pedagogia. una." » "estudios. posgrado la pedagogia. una.", "estudios. postgrado de pedagogia. una.", "estudios. postgrado en pedagogia. una."

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• Performing a fuzzy search may retrieve terms with similar spellings: (("estudios. postgrado lo pedagogia. una.") OR ("estudios. postgrado la pedagogia. una."))~.
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• Adding a wildcard symbol may retrieve word variants: (("estudios. postgrado lo pedagogia. una.") OR ("estudios. postgrado la pedagogia. una."))*.