Perhaps you should try some spelling variations:
de psicoanalisis » del psicoanalisis, el psicoanalisis, y psicoanalisis
e psicoanalisis » el psicoanalisis, en psicoanalisis, y psicoanalisis
y epigenesia » 9 epigenesia, y epigenetica, y epigenetico
marcela de » marcelo de, marcela a
varela e » varela en, varela de, varela el
eugenesia. » eugenia.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( varela e psicoanalisis y epigenesia. ) OR ( marcela de psicoanalisis y eugenesia. ))~.
• Adding a wildcard symbol may retrieve word variants: (( varela e psicoanalisis y epigenesia. ) or ( marcela de psicoanalisis y eugenesia. ))*.