Perhaps you should try some spelling variations:
"programacion deleel codigo." » "programacion del codigo." (Expand Search), "programacion de codigo." (Expand Search), "programacion lineal codigo." (Expand Search)
"programacion a codigo." » "programacion _ codigo." (Expand Search), "programacion de codigo." (Expand Search), "programacion en codigo." (Expand Search), "programacion al codigo." (Expand Search), "programacion el codigo." (Expand Search)
"programa lel codigo." » "programa del codigo." (Expand Search), "programas del codigo." (Expand Search), "programa de codigo." (Expand Search), "programa el codigo." (Expand Search), "programa al codigo." (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: (("programacion a codigo.") OR ((("programa lel codigo.") OR ("programacion deleel codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programacion a codigo.\") OR (((\"programa lel codigo.\") OR (\"programacion deleel codigo.\"))))".
• Removing quotes may allow a broader search: (( programacion a codigo. ) OR ((( programa lel codigo. ) OR ( programacion deleel codigo. )))).
• Adding a wildcard symbol may retrieve word variants: (("programacion a codigo.") OR ((("programa lel codigo.") OR ("programacion deleel codigo."))))*.