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), "programaacion pardel codigo." (Expand Search)
"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)

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