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