Perhaps you should try some spelling variations:
"programa parallel codigo." » "programa para codigo." (Expand Search), "programa paralldel codigo." (Expand Search), "programa parallal 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)
"programa el codigo." » "programa del codigo." (Expand Search), "programas del codigo." (Expand Search), "programa de codigo." (Expand Search), "programa al codigo." (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programacion a codigo.\") OR (((\"programa parallel codigo.\") OR (\"programa el codigo.\"))))~".
• Removing quotes may allow a broader search: (( programacion a codigo. ) OR ((( programa parallel codigo. ) OR ( programa el codigo. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("programacion a codigo.") OR ((("programa parallel codigo.") OR ("programa el codigo."))))*.