Perhaps you should try some spelling variations:
acciones de » lecciones de, accion de, accidentes de
medicion de » medicina de
de campo » de cambio, el campo
lona pau » la pau
campo en » campo de
lazo pau » la pau, las pau
campo e » campo de, campo el, campo _
campo y » campo de
e lona » de lona

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( acciones de campo e lona pau ; ) or ( medicion de ((campo en) OR (campo y)) lazo pau ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( acciones de campo e lona pau ; ) OR ( medicion de ((campo en) OR (campo y)) lazo pau ; )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( acciones de campo e lona pau ; ) or ( medicion de ((campo en) OR (campo y)) lazo pau ; ))".
• Adding a wildcard symbol may retrieve word variants: (( acciones de campo e lona pau ; ) or ( medicion de ((campo en) OR (campo y)) lazo pau ; ))*.