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