Perhaps you should try some spelling variations:
"ley 1537 de 2015" » "ley 1437 de 2015", "ley 1581 de 2015", "ley 1438 de 2015", "ley 153 de 2015", "ley 137 de 2015"
"ley 2183 de 2012" » "ley 2184 de 2012", "ley 2186 de 2012", "ley 2113 de 2012", "ley 2183 de 2016"
ley 1010 » ley 1098, ley 115, ley 1480
ley 1014 » ley 1314, ley 1098, ley 115
ley 1090 » ley 1098, ley 1480

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ley 1537 de 2015") or ("ley 2183 de 2012"))) or ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 100)))) de 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ley 1537 de 2015") OR ("ley 2183 de 2012"))) OR ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 100)))) de 2012")).
• Removing quotes may allow a broader search: (((( ley 1537 de 2015 ) or ( ley 2183 de 2012 ))) or ( ((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 100)))) de 2012 )).
• Adding a wildcard symbol may retrieve word variants: (((("ley 1537 de 2015") or ("ley 2183 de 2012"))) or ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 100)))) de 2012"))*.