Perhaps you should try some spelling variations:
"programas parallel codigo." » "programas para codigo." (Expand Search), "programaas parallel codigo." (Expand Search)
"programaaas de codigo." » "programas de codigo." (Expand Search), "programa de codigo." (Expand Search), "programas del codigo." (Expand Search), "programaaas del codigo." (Expand Search), "programaaas al codigo." (Expand Search), "programaaaas de codigo." (Expand Search)
"program _ codigo." » "programa _ 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: "((\"program _ codigo.\") OR (((\"programas parallel codigo.\") OR (\"programaaas de codigo.\"))))~".
• Removing quotes may allow a broader search: (( program _ codigo. ) OR ((( programas parallel codigo. ) OR ( programaaas de codigo. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("program _ codigo.") OR ((("programas parallel codigo.") OR ("programaaas de codigo."))))*.