Perhaps you should try some spelling variations:
"estudios humanos serie." » "estudios urbanos serie.", "estudios peruanos serie.", "estudios humanisticos serie.", "estudios humanas serie.", "estudios humanos desde."
"estudios las series." » "estudios mas series.", "estudios a series.", "estudios laura series.", "estudios las sedes.", "estudios las especies."
"estudio las series." » "estudio la series.", "estudiar las series.", "estudio a series.", "estudio las sedes.", "estudio las especies."

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

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