Perhaps you should try some spelling variations:
"experiencias pedagogicas" » "experiencia pedagogica"
"expediciones pedagogicas" » "orientaciones pedagogicas", "innovaciones pedagogicas"
"expedicion pedagogica" » "experiencia pedagogica"
"mediacion pedagogica" » "innovacion pedagogica", "mediacion tecnologica"

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

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