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