Perhaps you should try some spelling variations:
"estudios humanisticos serie." » "estudios linguisticos serie.", "estudios humanistica series.", "estudios humanisticos sobre.", "estudios humanisticos en."
"estudios mezclas serie." » "estudios marcial serie.", "estudios mas serie.", "estudios mazas serie."
"estudios das series." » "estudios mas series.", "estudios de series.", "estudios del series.", "estudios las series.", "estudios das merces."

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