Perhaps you should try some spelling variations:
"programas y codigo." » "programas de codigo." (Expand Search), "programs _ codigo." (Expand Search), "programas a codigo." (Expand Search), "programas al codigo." (Expand Search), "programas el codigo." (Expand Search), "programaas y codigo." (Expand Search)
"program _ codigo." » "programa _ codigo." (Expand Search)
"programaada parallel codigo." » "programaaada parallel codigo." (Expand Search), "programada parallel codigo." (Expand Search), "programadas parallel codigo." (Expand Search), "programado parallel codigo." (Expand Search)

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