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