Perhaps you should try some spelling variations:
"y pedro, ou lopez edgar." » "y pedro, ou lopez edgard.", "y pedro, ou lopez edgardo.", "y pedro, ou florez edgar.", "y pedro, u lopez edgar.", "y pedro, a lopez edgar.", "y pedro, c lopez edgar."
uso medico » su medico
un medico » un medio, el medico
y medico » y medicos, y medio, y mexico
de edgar » poe edgar, de edad
tu de » tu me, ou de, du de

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