Perhaps you should try some spelling variations:
javier alvarez » javier alvarado, javier alva
medicina el » medicina del, medicina en, medicina de
alvarez al » alvarez el, alvarez a, alvarez alva
el campo » el cambio, el camino
campo en » campo de, campo y
e campos » de campos, en campos, y campos
e campo » de campo, en campo, e ocampo

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( medicina el campo en la paz ; ) or ( mediciones ((e campo) OR (e campos)) javier alvarez al ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicina el campo en la paz ; ) OR ( mediciones ((e campo) OR (e campos)) javier alvarez al ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( medicina el campo en la paz ; ) or ( mediciones ((e campo) OR (e campos)) javier alvarez al ; ))".
• Adding a wildcard symbol may retrieve word variants: (( medicina el campo en la paz ; ) or ( mediciones ((e campo) OR (e campos)) javier alvarez al ; ))*.