Perhaps you should try some spelling variations:
teoria y » teoria de
de marx » de mar, de marzo, de maria
marx a » marx la, marx y, marx una
a 1907 » a 1909, a 1957, a 1987
17 la » 17 las, 1 la, 7 la
de 90 » del 90, de 0, de 20
90 de » 90 del, 30 de, 20 de
1 17 » 1 1, 1 15, 1 10

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo abiertas 1 17 la teoria y _ ) OR ( Cabildo abierta de 90 de marx a 1907 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 17 la teoria y _ ) OR ( Cabildo abierta de 90 de marx a 1907 ))*.