Perhaps you should try some spelling variations:
ley 1030 » ley 1090, ley 1010, ley 130
ley 1310 » ley 1340, ley 1314, ley 1010
ley 1530 » ley 1537, ley 130, ley 1480
ley 1930 » ley 1934, ley 130, ley 1920
1310 de » 1340 de, 1010 de, 1314 de
de 2012 » de 2016
ley 190 » ley 1090, ley 1901, ley 1908
190 de » 1090 de, 100 de, 390 de

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( ley 1310 de 2012 ) or ( ley 190 de 2012 ))) or ((( ley 1310 de 2015 ) or ( ((((ley 1030) or (((ley 1530) OR (ley 1930))))) or (ley 100)) de 2015 ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( ley 1310 de 2012 ) OR ( ley 190 de 2012 ))) OR ((( ley 1310 de 2015 ) OR ( ((((ley 1030) OR (((ley 1530) OR (ley 1930))))) OR (ley 100)) de 2015 )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( ley 1310 de 2012 ) or ( ley 190 de 2012 ))) or ((( ley 1310 de 2015 ) or ( ((((ley 1030) or (((ley 1530) OR (ley 1930))))) or (ley 100)) de 2015 ))))".
• Adding a wildcard symbol may retrieve word variants: (((( ley 1310 de 2012 ) or ( ley 190 de 2012 ))) or ((( ley 1310 de 2015 ) or ( ((((ley 1030) or (((ley 1530) OR (ley 1930))))) or (ley 100)) de 2015 ))))*.