Perhaps you should try some spelling variations:
abiertas a » abiertas 1, abierta a, abiertas y
barcos w » barcos a, barcos y, barcos de
terra de » tierra de, ferra de, terra di
w 1797 » a 1797
17 dc » 17 de
de 20 » del 20, de 2, de 0
17 d » 17 de, 1 d, 17 0
a 10 » al 10, 8 10, 1 10

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 y ((17 dc) OR (17 d)) terra de 20 ) OR ( Cabildo abiertas a 10 _ barcos w 1797 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( Cabildo aborto y ((17 dc) OR (17 d)) terra de 20 ) OR ( Cabildo abiertas a 10 _ barcos w 1797 ))".
• Adding a wildcard symbol may retrieve word variants: (( Cabildo aborto y ((17 dc) OR (17 d)) terra de 20 ) OR ( Cabildo abiertas a 10 _ barcos w 1797 ))*.