Perhaps you should try some spelling variations:
"mariela de psicoanalisis y epigenetica." » "mariela del psicoanalisis y epigenetica.", "mariela el psicoanalisis y epigenetica.", "mariela de psicoanalisis la epigenetica.", "marcela de psicoanalisis y epigenetica.", "gabriela de psicoanalisis y epigenetica.", "maria de psicoanalisis y epigenetica."
"varela y psicoanalisis y genetica." » "varela el psicoanalisis y genetica.", "varela y psicoanalisis la genetica.", "varela y psicoanalisis de genetica.", "varela y psicoanalisis y genomica."

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