Perhaps you should try some spelling variations:
"programacion lineal codigo." » "programacion visual codigo." (Expand Search), "programacion del codigo." (Expand Search), "programacion linedel codigo." (Expand Search), "programaacion lineal codigo." (Expand Search), "programasacion lineal codigo." (Expand Search)
"programacion al codigo." » "programacion del codigo." (Expand Search), "programacion de codigo." (Expand Search), "programacion en codigo." (Expand Search), "programaacion al codigo." (Expand Search), "programasacion al 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 ("programacion al codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"program _ codigo.\") OR (((\"programacion lineal codigo.\") OR (\"programacion al codigo.\"))))*".
• Removing quotes may allow a broader search: (( program _ codigo. ) OR ((( programacion lineal codigo. ) OR ( programacion al codigo. ))))*.