Perhaps you should try some spelling variations:
ley 1310 » ley 1340, ley 1314, ley 1010
ley 1530 » ley 1537, ley 130, ley 100
ley 1930 » ley 1934, ley 130, ley 190
1330 de » 1333 de, 1340 de
1901 de » 1801 de, 190 de, 191 de
1310 de » 1340 de, 1010 de, 1314 de
1335 de » 1333 de, 1355 de, 135 de
de 2012 » de 2016

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 ((1335 de) or (1330 de)) 2012 ))) or ( ley ((1901 de) OR (101 de)) 2012 ))) or ( ((ley 1930) or (ley 1530)) de 2015 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((( ley 1310 de 2012 ) OR ( ley ((1335 de) OR (1330 de)) 2012 ))) OR ( ley ((1901 de) OR (101 de)) 2012 ))) OR ( ((ley 1930) OR (ley 1530)) de 2015 )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((( ley 1310 de 2012 ) or ( ley ((1335 de) or (1330 de)) 2012 ))) or ( ley ((1901 de) OR (101 de)) 2012 ))) or ( ((ley 1930) or (ley 1530)) de 2015 ))".
• Adding a wildcard symbol may retrieve word variants: (((((( ley 1310 de 2012 ) or ( ley ((1335 de) or (1330 de)) 2012 ))) or ( ley ((1901 de) OR (101 de)) 2012 ))) or ( ((ley 1930) or (ley 1530)) de 2015 ))*.