Perhaps you should try some spelling variations:
policiacas public » politicas publicad, politica publica
politicas public » politicas publicad, politica publica, politica publicas
serie policiacas » serie policiaca, serie politica, series politicas
serie politicas » serie policiaca
sobre politicas » sobre politica
publicas. » publica., publico.

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: (((( serie politicas public. ) OR ( serie policiacas public. ))) OR ( sobre politicas publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((( serie politicas public. ) or ( serie policiacas public. ))) or ( sobre politicas publicas. ))*.