Perhaps you should try some spelling variations:
"funcion legislativa del derecho" » "funcion legislativa de derecho" (Expand Search), "funcion legislativa en derecho" (Expand Search), "funcion legislativa el derecho" (Expand Search)
"omision legislativa del derecho" » "omision legislativa de derecho" (Expand Search), "omision legislativa en derecho" (Expand Search), "omision legislativa el derecho" (Expand Search)
"omision legislativa y derecho" » "omision legislativa de derecho" (Expand Search), "omision legislativa en derecho" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("funcion legislativa del derecho") OR ((("omision legislativa del derecho") OR ("omision legislativa y derecho"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"funcion legislativa del derecho\") OR (((\"omision legislativa del derecho\") OR (\"omision legislativa y derecho\"))))".
• Removing quotes may allow a broader search: (( funcion legislativa del derecho ) OR ((( omision legislativa del derecho ) OR ( omision legislativa y derecho )))).
• Adding a wildcard symbol may retrieve word variants: (("funcion legislativa del derecho") OR ((("omision legislativa del derecho") OR ("omision legislativa y derecho"))))*.