Perhaps you should try some spelling variations:
infracciones electorales » resoluciones electorales (Expand Search), infracciones penales (Expand Search)
acciones electorales » actores electorales (Expand Search), coaliciones electorales (Expand Search), decisiones electorales (Expand Search)
colectivas i » colectivas y (Expand Search), colectivas a (Expand Search), colectiva i (Expand Search)
i sindicals » y sindicales (Expand Search), y sindical (Expand Search), y sindicatos (Expand Search)

Try widening your search to All Fields.

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

• Removing quotes may allow a broader search: ((acciones electorales) OR (infracciones electorales)), colectivas i sindicals.