Perhaps you should try some spelling variations:
serie antropologia » de antropologia, serie antologias, sociales antropologia
antropologia la » antropologia de, antropologia en, antropologia e
antropologia y » antropologia de
la ecologia » la economia, la biologia, la psicologia
y 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 la ecologia. ) or ( serie antropologia y ecologia. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( serie antropologia la ecologia. ) OR ( serie antropologia y ecologia. )).
• Adding a wildcard symbol may retrieve word variants: (( serie antropologia la ecologia. ) or ( serie antropologia y ecologia. ))*.