Perhaps you should try some spelling variations:
"ley 1943 de 2012-colombia" » "ley 1341 de 2012-colombia", "ley 1448 de 2012-colombia", "ley 1437 de 2012-colombia", "ley 1443 de 2012-colombia", "ley 1843 de 2012-colombia", "ley 1043 de 2012-colombia"
"ley 1427 de 2016-colombia" » "ley 1437 de 2016-colombia", "ley 142 de 2016-colombia", "ley 1429 de 2016-colombia", "ley 1421 de 2016-colombia"
"ley 143 de 2015-colombia" » "ley 1437 de 2015-colombia", "ley 1438 de 2015-colombia", "ley 1413 de 2015-colombia", "ley 1443 de 2015-colombia"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ley 1943 de 2012-colombia") OR ("ley 1427 de 2016-colombia"))) OR ("ley 143 de 2015-colombia"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ley 1943 de 2012-colombia\") OR (\"ley 1427 de 2016-colombia\"))) OR (\"ley 143 de 2015-colombia\"))".
• Removing quotes may allow a broader search: (((( ley 1943 de 2012-colombia ) OR ( ley 1427 de 2016-colombia ))) OR ( ley 143 de 2015-colombia )).
• Adding a wildcard symbol may retrieve word variants: (((("ley 1943 de 2012-colombia") OR ("ley 1427 de 2016-colombia"))) OR ("ley 143 de 2015-colombia"))*.