Perhaps you should try some spelling variations:
"expediciones pedagogicas" » "expedicion pedagogica", "mediaciones pedagogicas", "orientaciones pedagogicas"
"implicaciones practicas" » "implicaciones eticas", "implicaciones pedagogicas", "aplicacion practica"
"innovacion pedagogica" » "innovacion tecnologica", "investigacion pedagogica"
"mediacion pedagogica" » "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 practicas") or ("expediciones pedagogicas"))) or ((("mediacion pedagogica") or ("innovacion pedagogica"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("implicaciones practicas") OR ("expediciones pedagogicas"))) OR ((("mediacion pedagogica") OR ("innovacion pedagogica")))).
• Removing quotes may allow a broader search: (((( implicaciones practicas ) or ( expediciones pedagogicas ))) or ((( mediacion pedagogica ) or ( innovacion pedagogica )))).
• Adding a wildcard symbol may retrieve word variants: (((("implicaciones practicas") or ("expediciones pedagogicas"))) or ((("mediacion pedagogica") or ("innovacion pedagogica"))))*.

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