Perhaps you should try some spelling variations:
ediciones silex » ediciones siruela
silex campus » le campus
campo mahler » campo javier
medicion de » medicina de
campus per » campus de
mahler una » mahler la
de campo » de cambio, el campo
una paz » mina paz
al paz » al par, abel paz
al pan » al plan, el pan, al par

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ediciones silex campus per ((al paz) OR (al pan)) ; ) or ( medicion de campo mahler una paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ediciones silex campus per ((al paz) OR (al pan)) ; ) OR ( medicion de campo mahler una paz ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ediciones silex campus per ((al paz) OR (al pan)) ; ) or ( medicion de campo mahler una paz ; ))".
• Adding a wildcard symbol may retrieve word variants: (( ediciones silex campus per ((al paz) OR (al pan)) ; ) or ( medicion de campo mahler una paz ; ))*.