Perhaps you should try some spelling variations:
y pedro » de pedro
pedro c » pedro a, pedro d, pedro j
de g20 » del g20
g20 el » g20 en, 20 el
el mal » del mal, el mar
3 1860 » 3 1862, a 1860, c 1860
c 1870 » i 1870
mal 3 » mal y, max 3
1 50 » 1 20
50 y » 5 y, 10 y, 60 y

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 abierta de g20 el mal 3 1860 ) OR ( Cabildo abiertas 1 50 y pedro c 1870 ))~".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo abierta de g20 el mal 3 1860 ) OR ( Cabildo abiertas 1 50 y pedro c 1870 ))*.