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