Perhaps you should try some spelling variations:
pregunta parlamentaria » preguntas parlamentarias (Expand Search), arena parlamentaria (Expand Search), practica parlamentaria (Expand Search)
"Pregunta parlamentaria escrita" » "Pregunta parlamentaria espanya" (Expand Search), "Pregunta parlamentaria espanola" (Expand Search), "Pregunta parlamentaria femenina" (Expand Search)
"Pregunta parlamentaria espana" » "Pregunta parlamentaria espanya" (Expand Search), "Pregunta parlamentarias espana" (Expand Search), "Pregunta parlamentario espana" (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: (("Pregunta parlamentaria escrita") OR ("Pregunta parlamentaria espana"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Pregunta parlamentaria escrita\") OR (\"Pregunta parlamentaria espana\"))".
• Removing quotes may allow a broader search: (( Pregunta parlamentaria escrita ) OR ( Pregunta parlamentaria espana )).
• Adding a wildcard symbol may retrieve word variants: (("Pregunta parlamentaria escrita") OR ("Pregunta parlamentaria espana"))*.