Perhaps you should try some spelling variations:
ediciones de » edicion de, condiciones de
campo perez » campos perez, camilo perez, crespo perez
deber del » deber de, deberes del, deber ser
edicion e » edicion de, edicion en, medicion e
perez jan » perez juan, perez joan, perez janet
de campo » de cambio, el campo
jan paul » jean paul, juan paul, juan paulo
debe el » deber el, debate el, debe ser
e campo » el campo, en campo, e campos

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ediciones de campo ((debe el) OR (deber del)) pago ; ) or ( edicion e campo perez jan paul ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ediciones de campo ((debe el) OR (deber del)) pago ; ) OR ( edicion e campo perez jan paul ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ediciones de campo ((debe el) OR (deber del)) pago ; ) or ( edicion e campo perez jan paul ; ))".
• Adding a wildcard symbol may retrieve word variants: (( ediciones de campo ((debe el) OR (deber del)) pago ; ) or ( edicion e campo perez jan paul ; ))*.