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