Perhaps you should try some spelling variations:
"estudios humanos desde." » "estudios urbanos desde.", "estudios peruanos desde.", "estudios humanisticos desde.", "estudios humanos de."
"estudios maior serie." » "estudios marcial serie.", "estudios nativos serie.", "estudios maior series.", "estudios mayo serie.", "estudios minor serie."
"estudios las series." » "estudio las series.", "estudios mas series.", "estudios a series.", "estudios las sedes.", "estudios las especies."

Try widening your search to All Fields.

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 desde.") or ((("estudios las series.") or ("estudios maior serie."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("estudios humanos desde.") OR ((("estudios las series.") OR ("estudios maior serie.")))).
• Removing quotes may allow a broader search: (( estudios humanos desde. ) or ((( estudios las series. ) or ( estudios maior serie. )))).
• Adding a wildcard symbol may retrieve word variants: (("estudios humanos desde.") or ((("estudios las series.") or ("estudios maior serie."))))*.