Perhaps you should try some spelling variations:
"conduccion de campos per la paz ;" » "confeccion de campos per la paz ;", "construccion de campos per la paz ;", "produccion de campos per la paz ;", "conduccion de campos perez la paz ;", "conduccion de campos super la paz ;", "conduccion de campos de la paz ;", "conduccion de campo per la paz ;", "conduccion de caminos per la paz ;", "conduccion de cambios per la paz ;", "conduccion de campos poder la paz ;"
"condicion de campus per la paz ;" » "condiciones de campus per la paz ;", "condicion de campus de la paz ;", "condicion del campus per la paz ;", "condicion de campo per la paz ;", "condicion de corpus per la paz ;", "condicion de campus poder la paz ;"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("condicion de campus per la paz ;") or ("conduccion de campos per la paz ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("condicion de campus per la paz ;") OR ("conduccion de campos per la paz ;")).
• Removing quotes may allow a broader search: (( condicion de campus per la paz ; ) or ( conduccion de campos per la paz ; )).
• Adding a wildcard symbol may retrieve word variants: (("condicion de campus per la paz ;") or ("conduccion de campos per la paz ;"))*.