Perhaps you should try some spelling variations:
campus poder » campus per, campus de, cambio poder
campo ver » campo der, campo verde, campo de
de campus » del campus, de campos, de corpus
de campo » de cambio, el campo
poder de » poder en
ver las » vera las, ver la, ver los
de pais » del pais

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( medicina de campo ver las pau ; ) or ( medicion de campus poder de pais ; ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( medicina de campo ver las pau ; ) OR ( medicion de campus poder de pais ; )).
• Adding a wildcard symbol may retrieve word variants: (( medicina de campo ver las pau ; ) or ( medicion de campus poder de pais ; ))*.