Perhaps you should try some spelling variations:
ley 21563 » ley 1564, ley 256, ley 1503
ley 1563 » ley 1564, ley 1581, ley 1761
ley 1562 » ley 1564, ley 1581, ley 142
21563 de » 1563 de, 2153 de, 2183 de
ley 1098 » ley 100
ley 1014 » ley 1314, ley 100, ley 115
ley 1480 » ley 100
de 2012 » de 2016

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( ((ley 1563) OR (ley 1562)) de 2015 ) or ( ley 21563 de 2012 ))) or ( ((((ley 1098) or (ley 1014))) or (ley 1480)) de 2012 ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( ((ley 1563) OR (ley 1562)) de 2015 ) OR ( ley 21563 de 2012 ))) OR ( ((((ley 1098) OR (ley 1014))) OR (ley 1480)) de 2012 )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( ((ley 1563) OR (ley 1562)) de 2015 ) or ( ley 21563 de 2012 ))) or ( ((((ley 1098) or (ley 1014))) or (ley 1480)) de 2012 ))".
• Adding a wildcard symbol may retrieve word variants: (((( ((ley 1563) OR (ley 1562)) de 2015 ) or ( ley 21563 de 2012 ))) or ( ((((ley 1098) or (ley 1014))) or (ley 1480)) de 2012 ))*.