Perhaps you should try some spelling variations:
"revision de la educacion y formacion del" » "revision de la educacion y formacion de" (Expand Search), "revision de la educacion en formacion del" (Expand Search), "revision de la educacion de formacion del" (Expand Search), "revision de la educacion e informacion del" (Expand Search)
"revision de la educacion la formacion del" » "revision de la educacion la formacion de" (Expand Search), "revision de la educacion a formacion del" (Expand Search), "revision de la educacion en formacion del" (Expand Search), "revision de la educacion de formacion del" (Expand Search), "revision de la educacion la informacion del" (Expand Search)

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: (("revision de la educacion y formacion del") OR ("revision de la educacion la formacion del"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"revision de la educacion y formacion del\") OR (\"revision de la educacion la formacion del\"))".
• Removing quotes may allow a broader search: (( revision de la educacion y formacion del ) OR ( revision de la educacion la formacion del )).
• Adding a wildcard symbol may retrieve word variants: (("revision de la educacion y formacion del") OR ("revision de la educacion la formacion del"))*.