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