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 a codigo." » "programacion _ codigo." (Expand Search), "programacion de codigo." (Expand Search), "programacion en codigo." (Expand Search), "programacion al codigo." (Expand Search)
"programa el codigo." » "programa del codigo." (Expand Search), "programas del codigo." (Expand Search), "programa de codigo." (Expand Search), "programa al 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: (("programacion a codigo.") OR ((("programa el codigo.") OR ("programacion paralela codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"programacion a codigo.\") OR (((\"programa el codigo.\") OR (\"programacion paralela codigo.\"))))".
• Removing quotes may allow a broader search: (( programacion a codigo. ) OR ((( programa el codigo. ) OR ( programacion paralela codigo. )))).
• Adding a wildcard symbol may retrieve word variants: (("programacion a codigo.") OR ((("programa el codigo.") OR ("programacion paralela codigo."))))*.