Perhaps you should try some spelling variations:
"pera el psicoanalisis en epigenetica." » "pera el psicoanalisis la epigenetica.", "pera el psicoanalisis y epigenetica.", "pera el psicoanalisis en genetica.", "opera el psicoanalisis en epigenetica.", "era el psicoanalisis en epigenetica.", "vera el psicoanalisis en epigenetica."
"varela y psicoanalisis y genetica." » "varela y psicoanalisis la genetica.", "varela y psicoanalisis de genetica.", "varela y psicoanalisis y genomica."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("pera el psicoanalisis en epigenetica.") OR ("varela y psicoanalisis y genetica."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pera el psicoanalisis en epigenetica.\") OR (\"varela y psicoanalisis y genetica.\"))*".
• Removing quotes may allow a broader search: (( pera el psicoanalisis en epigenetica. ) OR ( varela y psicoanalisis y genetica. ))*.