Perhaps you should try some spelling variations:
estudios peruanos » estudios urbanos, estudios americanos, estudios ensayos
series estudioss » serie estudios, seis estudios, serie estudio
estudioss urbano » estudios urbanos, estudio urbano
series estudios » serie estudios, seis estudios, tres estudios
estudios urbano » estudios urbanos, estudio urbano, estudios hispano

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( series estudioss urbano. ) or ((( series estudios urbano. ) OR ( series estudios peruanos. ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( series estudioss urbano. ) OR ((( series estudios urbano. ) OR ( series estudios peruanos. ))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( series estudioss urbano. ) or ((( series estudios urbano. ) OR ( series estudios peruanos. ))))*".