Perhaps you should try some spelling variations:
"tareas y psicoanalisis en genetica." » "tareas y psicoanalisis y genetica.", "tareas y psicoanalisis la genetica.", "tareas y psicoanalisis de genetica.", "tareas de psicoanalisis en genetica."
"area el psicoanalisis la epigenetica." » "area el psicoanalisis a epigenetica.", "area el psicoanalisis una epigenetica.", "area el psicoanalisis y epigenetica.", "area el psicoanalisis la genetica.", "area del psicoanalisis la epigenetica.", "varea el psicoanalisis la epigenetica.", "crea el 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: (("tareas y psicoanalisis en genetica.") or ("area el psicoanalisis la epigenetica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tareas y psicoanalisis en genetica.") OR ("area el psicoanalisis la epigenetica.")).
• Removing quotes may allow a broader search: (( tareas y psicoanalisis en genetica. ) or ( area el psicoanalisis la epigenetica. )).
• Adding a wildcard symbol may retrieve word variants: (("tareas y psicoanalisis en genetica.") or ("area el psicoanalisis la epigenetica."))*.