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", "educaciones pedagogias", "orientaciones pedagogicas"
"innovacion tecnologica" » "innovaciones tecnologicas"

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 ("expediciones pedagogicas"))) or ("innovacion tecnologica"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("mediaciones pedagogicas") OR ("implicaciones pedagogicas"))) OR ("expediciones pedagogicas"))) OR ("innovacion tecnologica")).
• Removing quotes may allow a broader search: (((((( mediaciones pedagogicas ) or ( implicaciones pedagogicas ))) or ( expediciones pedagogicas ))) or ( innovacion tecnologica )).
• Adding a wildcard symbol may retrieve word variants: (((((("mediaciones pedagogicas") or ("implicaciones pedagogicas"))) or ("expediciones pedagogicas"))) or ("innovacion tecnologica"))*.

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