Perhaps you should try some spelling variations:
"ley 1258 de 1959" » "ley 12 de 1959" (Expand Search), "ley 1448 de 1959" (Expand Search), "ley 25 de 1959" (Expand Search), "ley 1258 de 1999" (Expand Search), "ley 1258 de 1979" (Expand Search), "ley 1258 de 1958" (Expand Search)
"ley 1258 de 1989" » "ley 12 de 1989" (Expand Search), "ley 1448 de 1989" (Expand Search), "ley 25 de 1989" (Expand Search), "ley 1258 de 1999" (Expand Search), "ley 1258 de 1980" (Expand Search), "ley 1258 de 1988" (Expand Search)
"ley 15 de 1959" » "ley 15 de 1999" (Expand Search), "ley 15 de 1979" (Expand Search), "ley 15 de 1958" (Expand Search), "ley 35 de 1959" (Expand Search), "ley 11 de 1959" (Expand Search), "ley 18 de 1959" (Expand Search), "ley 13 de 1959" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ley 1258 de 1959") OR ("ley 15 de 1959"))) OR ("ley 1258 de 1989"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ley 1258 de 1959\") OR (\"ley 15 de 1959\"))) OR (\"ley 1258 de 1989\"))".
• Removing quotes may allow a broader search: (((( ley 1258 de 1959 ) OR ( ley 15 de 1959 ))) OR ( ley 1258 de 1989 )).
• Adding a wildcard symbol may retrieve word variants: (((("ley 1258 de 1959") OR ("ley 15 de 1959"))) OR ("ley 1258 de 1989"))*.