Perhaps you should try some spelling variations:
"estudios de la ocde y gobernanza publica" » "estudios de la ocde y governance public", "estudios de la ocde la gobernanza publica"
"estudio de la ocde de governance policy" » "estudio de la ocde de government policy", "estudio de la ocde de gouvernance policy", "estudio de la ocde die governance policy", "estudio de la ocde e governance policy"
"estudio de la l'ocde de governance policy" » "estudio de la l'ocde de government policy", "estudio de la l'ocde de gouvernance policy", "estudio de la l'ocde die governance policy", "estudio de la l'ocde e governance policy", "estudio de a l'ocde de governance policy", "estudio de par l'ocde de governance policy", "estudio de de l'ocde de governance policy"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("estudios de la ocde y gobernanza publica") OR ((("estudio de la ocde de governance policy") OR ("estudio de la l'ocde de governance policy")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"estudios de la ocde y gobernanza publica\") or (((\"estudio de la ocde de governance policy\") OR (\"estudio de la l'ocde de governance policy\"))))".
• Removing quotes may allow a broader search: (( estudios de la ocde y gobernanza publica ) or ((( estudio de la ocde de governance policy ) OR ( estudio de la l'ocde de governance policy )))).
• Adding a wildcard symbol may retrieve word variants: (("estudios de la ocde y gobernanza publica") or ((("estudio de la ocde de governance policy") OR ("estudio de la l'ocde de governance policy"))))*.