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