Perhaps you should try some spelling variations:
ediciones del » ediciones de, edicion del, condiciones del
medicion de » medicina de
campos del » campos de, campos e, campos en
campo der » campo de, campo del, campos de
campos el » campos de, campos la, campos _
laan pau » la pau, las pau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ediciones del) or (medicion de)) ((((campo der) OR (campos del))) or (campos el)) laan pau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ediciones del) OR (medicion de)) ((((campo der) OR (campos del))) OR (campos el)) laan pau ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ediciones del) or (medicion de)) ((((campo der) OR (campos del))) or (campos el)) laan pau ;*".