Perhaps you should try some spelling variations:
serie antologias » serie antropologia
de antropologia » la antropologia
antologias de » antologias del, antologia de, antologia del
de economia » y economia, la economia
e ecologia » de ecologia, en ecologia, 1 ecologia
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: (( de antropologia ((e ecologia) or (y ecologia)). ) or ( serie antologias de economia. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( de antropologia ((e ecologia) OR (y ecologia)). ) OR ( serie antologias de economia. )).
• Adding a wildcard symbol may retrieve word variants: (( de antropologia ((e ecologia) or (y ecologia)). ) or ( serie antologias de economia. ))*.