Perhaps you should try some spelling variations:
"programacion lineal codigo." » "programacion visual codigo." (Expand Search), "programacion del codigo." (Expand Search), "programaacion lineal codigo." (Expand Search), "programasacion lineal codigo." (Expand Search)
"programaaacion de codigo." » "programacion de codigo." (Expand Search), "programacion del codigo." (Expand Search), "programacion en codigo." (Expand Search), "programaaacion del codigo." (Expand Search), "programaaacion al codigo." (Expand Search), "programaaaacion de codigo." (Expand Search), "programasaaacion de codigo." (Expand Search)
"program _ codigo." » "programa _ codigo." (Expand Search), "programas _ codigo." (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("program _ codigo.") OR ((("programacion lineal codigo.") OR ("programaaacion de codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"program _ codigo.\") OR (((\"programacion lineal codigo.\") OR (\"programaaacion de codigo.\"))))*".
• Removing quotes may allow a broader search: (( program _ codigo. ) OR ((( programacion lineal codigo. ) OR ( programaaacion de codigo. ))))*.