Perhaps you should try some spelling variations:
"ley 1530 de 2012" » "ley 1537 de 2012", "ley 130 de 2012", "ley 1930 de 2012", "ley 1500 de 2012", "ley 153 de 2012", "ley 1030 de 2012", "ley 1530 de 2015", "ley 1530 de 2016"
"ley 1330 de 2012" » "ley 1340 de 2012", "ley 1333 de 2012", "ley 1335 de 2012", "ley 1330 de 2015", "ley 1330 de 2016"
"Ley 030 de 2012" » "Ley 030 de 2015", "Ley 030 de 2016", "Ley 020 de 2012"
ley 030 » ley 020, ley 038, ley 130

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ley 1530 de 2012") or ("Ley 030 de 2012"))) or ("ley 1330 de 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ley 1530 de 2012") OR ("Ley 030 de 2012"))) OR ("ley 1330 de 2012")).
• Removing quotes may allow a broader search: (((( ley 1530 de 2012 ) or ( Ley 030 de 2012 ))) or ( ley 1330 de 2012 )).
• Adding a wildcard symbol may retrieve word variants: (((("ley 1530 de 2012") or ("Ley 030 de 2012"))) or ("ley 1330 de 2012"))*.