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