Perhaps you should try some spelling variations:
"ley 1537 de 2015" » "ley 1437 de 2015", "ley 1581 de 2015", "ley 1564 de 2015", "ley 153 de 2015", "ley 137 de 2015"
"ley 2153 de 2012" » "ley 2155 de 2012", "ley 2113 de 2012", "ley 2158 de 2012", "ley 2183 de 2012", "ley 02183 de 2012", "ley 2153 de 2016"
ley 1090 » ley 100, ley 1480
ley 1014 » ley 1314, ley 100, ley 115
ley 1010 » ley 100, ley 115, ley 1480
ley 1098 » ley 100
"ley 1438 de 2015" » "ley 1448 de 2015", "ley 1437 de 2015", "ley 1480 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 1537 de 2015") OR ("ley 1438 de 2015"))) or ("ley 2153 de 2012"))) or ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 1098)))) de 2012"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("ley 1537 de 2015") OR ("ley 1438 de 2015"))) OR ("ley 2153 de 2012"))) OR ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 1098)))) de 2012")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"ley 1537 de 2015\") OR (\"ley 1438 de 2015\"))) or (\"ley 2153 de 2012\"))) or (\"((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 1098)))) de 2012\"))".
• Removing quotes may allow a broader search: (((((( ley 1537 de 2015 ) OR ( ley 1438 de 2015 ))) or ( ley 2153 de 2012 ))) or ( ((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 1098)))) de 2012 )).
• Adding a wildcard symbol may retrieve word variants: (((((("ley 1537 de 2015") OR ("ley 1438 de 2015"))) or ("ley 2153 de 2012"))) or ("((((ley 1010) or (ley 1014))) or (((ley 1090) or (ley 1098)))) de 2012"))*.