Perhaps you should try some spelling variations:
cristo perez » trista perez, crespo perez, prieto perez
medicion en » mediacion en, edicion en, medicion e
de martir » del martir, de martin, de martires
de cristo » de crisis
en campo » el campo, un campo, del campo
de marti » de martin, de marte, de marta

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( medicion en campo ((de martir) OR (de marti)) p ; ) or ( medicina de cristo perez la paz ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicion en campo ((de martir) OR (de marti)) p ; ) OR ( medicina de cristo perez la paz ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicion en campo ((de martir) OR (de marti)) p ; ) or ( medicina de cristo perez la paz ; ))".
• Adding a wildcard symbol may retrieve word variants: (( medicion en campo ((de martir) OR (de marti)) p ; ) or ( medicina de cristo perez la paz ; ))*.