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