Perhaps you should try some spelling variations:
ley 1943 » ley 1341, ley 1448, ley 1438
ley 1480 » ley 100
ley 1437 » ley 1448
1943 de » 1443 de, 143 de, 1843 de
de 2010 » de 2015, de 2012, de 2011
ley 142 » ley 1341, ley 1448
ley 143 » ley 1438, ley 1413, ley 1341
de 2016 » de 2015

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 2010-colombia ) or ( ((ley 142) or (ley 1480)) de 2010-colombia ))) or ( ((ley 143) OR (ley 1437)) de 2016-colombia ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( ley 1943 de 2010-colombia ) OR ( ((ley 142) OR (ley 1480)) de 2010-colombia ))) OR ( ((ley 143) OR (ley 1437)) de 2016-colombia )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( ley 1943 de 2010-colombia ) or ( ((ley 142) or (ley 1480)) de 2010-colombia ))) or ( ((ley 143) OR (ley 1437)) de 2016-colombia ))".
• Adding a wildcard symbol may retrieve word variants: (((( ley 1943 de 2010-colombia ) or ( ((ley 142) or (ley 1480)) de 2010-colombia ))) or ( ((ley 143) OR (ley 1437)) de 2016-colombia ))*.