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