Perhaps you should try some spelling variations:
"computacion dddel codigo." » "comparacion del codigo." (Expand Search), "computacion del codigo." (Expand Search), "computacion el codigo." (Expand Search)
"computation dal codigo." » "computation _ codigo." (Expand Search), "computation del codigo." (Expand Search), "computation el codigo." (Expand Search), "computation a codigo." (Expand Search), "computation ddel codigo." (Expand Search)
"programacion al codigo." » "programacion del codigo." (Expand Search), "programacion de codigo." (Expand Search), "programacion en 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: (((("computation dal codigo.") OR ("computacion dddel codigo."))) OR ("programacion al codigo."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"computation dal codigo.\") OR (\"computacion dddel codigo.\"))) OR (\"programacion al codigo.\"))".
• Removing quotes may allow a broader search: (((( computation dal codigo. ) OR ( computacion dddel codigo. ))) OR ( programacion al codigo. )).
• Adding a wildcard symbol may retrieve word variants: (((("computation dal codigo.") OR ("computacion dddel codigo."))) OR ("programacion al codigo."))*.