Perhaps you should try some spelling variations:
"elite politicos republica." » "elite politico republicano.", "elite criticos republica.", "elite politicas republicanas.", "elite politico republica.", "elites politicas republica.", "elite politica republica."
"sobre politicas paz." » "sobre politica paz.", "sobre politicas para.", "sobre politicas de.", "sobre politicas en."
"serie politicas publicas." » "serie policiaca publicas.", "serie politicas publica.", "serie politicas public.", "serie politicas publico."

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: (((("sobre politicas paz.") or ("elite politicos republica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas paz.") OR ("elite politicos republica."))) OR ("serie politicas publicas.")).
• Removing quotes may allow a broader search: (((( sobre politicas paz. ) or ( elite politicos republica. ))) or ( serie politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas paz.") or ("elite politicos republica."))) or ("serie politicas publicas."))*.