Perhaps you should try some spelling variations:
"estudios humanos desde." » "estudios urbanos desde.", "estudios peruanos desde.", "estudios humanisticos desde.", "estudios humanos de."
"estudios mayo serie." » "estudios maior serie.", "estudios enzo serie.", "estudios a serie."
"estudios mas serie." » "estudios a serie.", "estudios maior serie.", "estudios de serie.", "estudios mazas serie.", "estudios las series.", "estudios das series."

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

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