Perhaps you should try some spelling variations:
"programacion del codigo." » "programacion de codigo." (Expand Search), "programacion en codigo." (Expand Search), "programacion para codigo." (Expand Search)
"programable plc codigo." » "programar plc codigo." (Expand Search), "programable al codigo." (Expand Search), "programable el codigo." (Expand Search)
"programa de codigo." » "programa al codigo." (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"programable plc codigo.\") OR (\"programa de codigo.\"))) OR (\"programacion del codigo.\"))~".
• Removing quotes may allow a broader search: (((( programable plc codigo. ) OR ( programa de codigo. ))) OR ( programacion del codigo. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("programable plc codigo.") OR ("programa de codigo."))) OR ("programacion del codigo."))*.