Perhaps you should try some spelling variations:
"implicaciones pedagogicas" » "innovaciones pedagogicas", "implicaciones practicas", "orientaciones pedagogicas"
"expediciones pedagogicas" » "expedicion pedagogica", "orientaciones pedagogicas", "experiencias pedagogicas"
"mediaciones pedagogicas" » "mediacion pedagogica", "orientaciones pedagogicas", "innovaciones pedagogicas"
"educaciones pedagogias" » "innovaciones pedagogicas"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((("mediaciones pedagogicas") OR ("implicaciones pedagogicas"))) or ("educaciones pedagogias"))) or ("expediciones pedagogicas"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("mediaciones pedagogicas") OR ("implicaciones pedagogicas"))) OR ("educaciones pedagogias"))) OR ("expediciones pedagogicas")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"mediaciones pedagogicas\") OR (\"implicaciones pedagogicas\"))) or (\"educaciones pedagogias\"))) or (\"expediciones pedagogicas\"))".
• Removing quotes may allow a broader search: (((((( mediaciones pedagogicas ) OR ( implicaciones pedagogicas ))) or ( educaciones pedagogias ))) or ( expediciones pedagogicas )).
• Adding a wildcard symbol may retrieve word variants: (((((("mediaciones pedagogicas") OR ("implicaciones pedagogicas"))) or ("educaciones pedagogias"))) or ("expediciones pedagogicas"))*.

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