Perhaps you should try some spelling variations:
"corea del psicoanalisis y epigenetica." » "corea el psicoanalisis y epigenetica.", "corea y psicoanalisis y epigenetica.", "corea del psicoanalisis la epigenetica.", "correo del psicoanalisis y epigenetica.", "corte del psicoanalisis y epigenetica."
"tarea de psicoanalisis y genetica." » "tarea el psicoanalisis y genetica.", "tarea y psicoanalisis y genetica.", "tarea de psicoanalisis la genetica.", "tarea de psicoanalisis de genetica.", "tarea de psicoanalisis y genomica.", "area de psicoanalisis y genetica."

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: (("tarea de psicoanalisis y genetica.") or ("corea del psicoanalisis y epigenetica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tarea de psicoanalisis y genetica.") OR ("corea del psicoanalisis y epigenetica.")).
• Removing quotes may allow a broader search: (( tarea de psicoanalisis y genetica. ) or ( corea del psicoanalisis y epigenetica. )).
• Adding a wildcard symbol may retrieve word variants: (("tarea de psicoanalisis y genetica.") or ("corea del psicoanalisis y epigenetica."))*.