Perhaps you should try some spelling variations:
coleccion science » coleccion scientia, coleccion ciencia, coleccion ciencis
coleccion control » coleccion centro, eleccion control, coleccion canto
science portugal » sciences portugal, science political, science popular
control tortura » control portugal, control cultural
portugal de » portugal e, portugal en, portugal y
tortura et » tortura en, tortura del, torturas en
et caso » el caso, en caso, del caso

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: (( coleccion science portugal de clacso ) OR ( coleccion control tortura et caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( coleccion science portugal de clacso ) or ( coleccion control tortura et caso ))*.