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