Perhaps you should try some spelling variations:
eje teorico » el teorico, eje tematico, melo teorico
abierta 31 » abierta de, abierta en, abierta y
teorico a » teorico y, teoricos y, teorico de
de marcel » de marcelo, de marco, de marcas
marcel a » marcela a, marcelo a, carcel a
a 1860 » la 1860, a 1820, a 1869
31 12 » 1 12
1 11 » 10 11, 15 11, 1 1

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 11 eje teorico a 1860 ) OR ( Cabildo abierta 31 12 de marcel a 1850 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abiertas 1 11 eje teorico a 1860 ) OR ( Cabildo abierta 31 12 de marcel a 1850 ))*.