Perhaps you should try some spelling variations:
abiertas 1 » abiertas a, abiertas y, abiertas de
de tesis » la tesis, de temas
marco r » marco de
200 el » 2002 el, 2010 el, 2001 el
r 1887 » a 1887, r 1857, r 1880
17 de » 1 de, 12 de
1 200 » 1 2003, 1 2008, 1 20
de 0 » de 20, de 30, de 40

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 aborto _ 17 de tesis de 0 ) OR ( Cabildo abiertas 1 200 el marco r 1887 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto _ 17 de tesis de 0 ) OR ( Cabildo abiertas 1 200 el marco r 1887 ))*.