Perhaps you should try some spelling variations:
abierto y » abierto en, aborto y
de mexico » en mexico
mexico de » lexico de, mexico df, mexico fce
del 1800 » el 1800, del 1970
de 1810 » de 1880, de 1816
de mar » del mar
17 de » 1 de, 12 de, 18 de
a1 de » 1 de, 11 de
y a1 » y a, y 31, y 81

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( Cabildo aborto _ 17 de mar del 1800 ) OR ( Cabildo abierto y a1 de mexico de 1810 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo aborto _ 17 de mar del 1800 ) OR ( Cabildo abierto y a1 de mexico de 1810 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto _ 17 de mar del 1800 ) OR ( Cabildo abierto y a1 de mexico de 1810 ))*.