Perhaps you should try some spelling variations:
serie antropologia » de antropologia, serie antologias, sociales antropologia
antropologia del » antropologia de, antropologia general
antropologia y » antropologia de
del ecologia » de ecologia, en ecologia, del ecologismo
y ecologia » la ecologia, y economia

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( serie antropologia y ecologia. ) or ( serie antropologia del ecologia. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( serie antropologia y ecologia. ) OR ( serie antropologia del ecologia. )).
• Adding a wildcard symbol may retrieve word variants: (( serie antropologia y ecologia. ) or ( serie antropologia del ecologia. ))*.