Perhaps you should try some spelling variations:
"ley 1523 de 2012" » "ley 1563 de 2012", "ley 1503 de 2012", "ley 1581 de 2012", "ley 123 de 2012", "ley 1523 de 2015"
"ley 1437 de 2012" » "ley 1480 de 2012", "ley 1437 de 2015"
"ley 1437 de 2016" » "ley 1480 de 2016", "ley 1437 de 2015"
"ley 1448 de 2012" » "ley 1098 de 2012", "ley 1341 de 2012", "ley 1480 de 2012", "ley 1448 de 2015"
"ley 1335 de 2012" » "ley 1333 de 2012", "ley 1355 de 2012", "ley 115 de 2012", "ley 1335 de 2015", "ley 1330 de 2012"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("ley 1523 de 2012") or ((((((("ley 1437 de 2012") OR ("ley 1448 de 2012"))) or ("ley 1437 de 2016"))) or ("ley 1335 de 2012"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ley 1523 de 2012") OR ((((((("ley 1437 de 2012") OR ("ley 1448 de 2012"))) OR ("ley 1437 de 2016"))) OR ("ley 1335 de 2012")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"ley 1523 de 2012\") or (((((((\"ley 1437 de 2012\") OR (\"ley 1448 de 2012\"))) or (\"ley 1437 de 2016\"))) or (\"ley 1335 de 2012\"))))".
• Removing quotes may allow a broader search: (( ley 1523 de 2012 ) or ((((((( ley 1437 de 2012 ) OR ( ley 1448 de 2012 ))) or ( ley 1437 de 2016 ))) or ( ley 1335 de 2012 )))).
• Adding a wildcard symbol may retrieve word variants: (("ley 1523 de 2012") or ((((((("ley 1437 de 2012") OR ("ley 1448 de 2012"))) or ("ley 1437 de 2016"))) or ("ley 1335 de 2012"))))*.