Perhaps you should try some spelling variations:
ediciones del » ediciones de, edicion del, condiciones del
edicion de » medicion de
del campos » del campo, de campos, del campus
peru luis » peru lurin, peru las
luis f » luis a
de loa » de loja, de los, de lorca
de log » de los, de logro

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( edicion de del peru luis f ; ) or ( ediciones del campos ((de loa) or (de log)) pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( edicion de del peru luis f ; ) OR ( ediciones del campos ((de loa) OR (de log)) pau ; )).
• Adding a wildcard symbol may retrieve word variants: (( edicion de del peru luis f ; ) or ( ediciones del campos ((de loa) or (de log)) pau ; ))*.