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 y genetica.", "correo del psicoanalisis y epigenetica.", "corte del psicoanalisis y epigenetica."
"tarea de psicoanalisis la epigenetica." » "tarea el psicoanalisis la epigenetica.", "tarea y psicoanalisis la epigenetica.", "tarea de psicoanalisis a epigenetica.", "tarea de psicoanalisis una epigenetica.", "tarea de psicoanalisis en epigenetica.", "tarea de psicoanalisis la genetica.", "area de psicoanalisis la epigenetica."

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