Perhaps you should try some spelling variations:
"y pedro, ou lopez edgardo." » "y pedro, ou lopez eduardo.", "y pedro, ou lopez leonardo.", "y pedro, u lopez edgardo.", "y pedro, a lopez edgardo.", "y pedro, c lopez edgardo."
uso medico » un medico, su medico
y medico » y medicos, y medio, y mexico
me edgar » de edgar, poe edgar, _ edgar
y edgar » de edgar, y editar, y educar

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("((uso medico) or (y medico)), tu ((me edgar) OR (y edgar)).") or ("y pedro, ou lopez edgardo."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("((uso medico) or (y medico)), tu ((me edgar) OR (y edgar)).") OR ("y pedro, ou lopez edgardo.")).
• Removing quotes may allow a broader search: (( ((uso medico) or (y medico)), tu ((me edgar) OR (y edgar)). ) or ( y pedro, ou lopez edgardo. )).
• Adding a wildcard symbol may retrieve word variants: (("((uso medico) or (y medico)), tu ((me edgar) OR (y edgar)).") or ("y pedro, ou lopez edgardo."))*.