Perhaps you should try some spelling variations:
"estudios humanisticos serie." » "estudios linguisticos serie.", "estudios humanistica series.", "estudios humanisticos sobre.", "estudios humanisticos en."
"estudios humanos desde." » "estudios urbanos desde.", "estudios peruanos desde.", "estudios ensayos desde.", "estudios humanos de."
"estudios d serie." » "estudios de serie.", "estudios e serie.", "estudios del serie.", "estudios i serie.", "estudios 2 serie."

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 humanos desde."))) or ("estudios d serie."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("estudios humanisticos serie.") OR ("estudios humanos desde."))) OR ("estudios d serie."))*.
• Removing quotes may allow a broader search: (((( estudios humanisticos serie. ) or ( estudios humanos desde. ))) or ( estudios d serie. ))*.