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