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