Perhaps you should try some spelling variations:
"varela del psicoanalisis y genomica." » "varela el psicoanalisis y genomica.", "varela y psicoanalisis y genomica.", "marcela del psicoanalisis y genomica.", "mariela del psicoanalisis y genomica.", "varela del psicoanalisis y genoma."
"varela de psicoanalisis y gemma." » "varela el psicoanalisis y gemma.", "varela y psicoanalisis y gemma.", "varela e psicoanalisis y gemma.", "marcela de psicoanalisis y gemma.", "mariela de psicoanalisis y gemma.", "varela de psicoanalisis y german.", "varela de psicoanalisis y genoma."

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