Perhaps you should try some spelling variations:
"implicaciones pedagogicas" » "innovaciones pedagogicas", "implicaciones practicas", "orientaciones pedagogicas"
"mediaciones pedagogicas" » "expediciones pedagogicas", "educaciones pedagogias", "orientaciones pedagogicas"
"innovacion tecnologica" » "innovaciones tecnologicas"
"mediacion pedagogica" » "innovacion pedagogica", "mediacion tecnologica", "investigacion pedagogica"

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

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