Perhaps you should try some spelling variations:
"programacion paralela codigo." » "programacion para codigo." (Expand Search), "programacion grafica codigo." (Expand Search), "programacion paralelal codigo." (Expand Search), "programacion paralelel codigo." (Expand Search)
"programa pardel codigo." » "programa del codigo." (Expand Search), "programa para codigo." (Expand Search)
"programas a codigo." » "programas y codigo." (Expand Search), "programas de codigo." (Expand Search), "programa la codigo." (Expand Search), "programas al codigo." (Expand Search), "programas el 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: (("programa pardel codigo.") OR ((("programacion paralela codigo.") OR ("programas a codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programa pardel codigo.\") OR (((\"programacion paralela codigo.\") OR (\"programas a codigo.\"))))".
• Removing quotes may allow a broader search: (( programa pardel codigo. ) OR ((( programacion paralela codigo. ) OR ( programas a codigo. )))).
• Adding a wildcard symbol may retrieve word variants: (("programa pardel codigo.") OR ((("programacion paralela codigo.") OR ("programas a codigo."))))*.