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

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