Perhaps you should try some spelling variations:
"implicaciones pedagogicas" » "innovaciones pedagogicas", "implicaciones practicas", "orientaciones pedagogicas"
"expediciones pedagogicas" » "orientaciones pedagogicas", "experiencias pedagogicas", "innovaciones pedagogicas"
"expedicion pedagogica" » "experiencia pedagogica", "experiencias pedagogicas"
"mediacion pedagogica" » "innovacion 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 ((("expediciones pedagogicas") OR ("expedicion pedagogica"))))) or ((("mediacion pedagogica") or ("investigacion pedagogica"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("implicaciones pedagogicas") OR ((("expediciones pedagogicas") OR ("expedicion pedagogica"))))) OR ((("mediacion pedagogica") OR ("investigacion pedagogica")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"implicaciones pedagogicas\") or (((\"expediciones pedagogicas\") OR (\"expedicion pedagogica\"))))) or (((\"mediacion pedagogica\") or (\"investigacion pedagogica\"))))".
• Removing quotes may allow a broader search: (((( implicaciones pedagogicas ) or ((( expediciones pedagogicas ) OR ( expedicion pedagogica ))))) or ((( mediacion pedagogica ) or ( investigacion pedagogica )))).
• Adding a wildcard symbol may retrieve word variants: (((("implicaciones pedagogicas") or ((("expediciones pedagogicas") OR ("expedicion pedagogica"))))) or ((("mediacion pedagogica") or ("investigacion pedagogica"))))*.

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