Perhaps you should try some spelling variations:
ley 1010 » ley 100, ley 1090, ley 1014
ley 1901 » ley 1801, ley 1971, ley 101
1330 de » 1340 de
de 2012 » de 2015, de 2016
1930 de » 1934 de, 1030 de, 130 de
1335 de » 1355 de, 135 de
1901 de » 101 de, 1801 de, 191 de
1010 de » 100 de, 1090 de
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 1010 de 2012 ) or ( ley ((((1335 de) or (1333 de))) or (1330 de)) 2012 ))) or ( ley 1901 de 2012 ))) or ( ley ((1930 de) OR (190 de)) 2015 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((( ley 1010 de 2012 ) OR ( ley ((((1335 de) OR (1333 de))) OR (1330 de)) 2012 ))) OR ( ley 1901 de 2012 ))) OR ( ley ((1930 de) OR (190 de)) 2015 )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((( ley 1010 de 2012 ) or ( ley ((((1335 de) or (1333 de))) or (1330 de)) 2012 ))) or ( ley 1901 de 2012 ))) or ( ley ((1930 de) OR (190 de)) 2015 ))".
• Adding a wildcard symbol may retrieve word variants: (((((( ley 1010 de 2012 ) or ( ley ((((1335 de) or (1333 de))) or (1330 de)) 2012 ))) or ( ley 1901 de 2012 ))) or ( ley ((1930 de) OR (190 de)) 2015 ))*.