Perhaps you should try some spelling variations:
recherche economique » recherches agronomiques (Expand Search)
laboratoires de » laboratorio de (Expand Search), laboratori de (Expand Search)
economique du » economiques de (Expand Search), economique et (Expand Search)
universita di » universidad de (Expand Search), university _ (Expand Search), universitaria de (Expand Search)
de recherche » de recherches (Expand Search), des recherches (Expand Search), la recherche (Expand Search)
travaux des » travaux de (Expand Search), travaux en (Expand Search)
travaux du » travaux de (Expand Search)
du della » e della (Expand Search)

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: ((travaux des) OR (travaux du)) laboratoires de recherche economique du della universita di~.
• Adding a wildcard symbol may retrieve word variants: ((travaux des) or (travaux du)) laboratoires de recherche economique du della universita di*.