Perhaps you should try some spelling variations:
l'universidade de » universidad de (Expand Search), universidade do (Expand Search), l'universite de (Expand Search)
de recherches » la recherche (Expand Search)
du laborator » de laborator (Expand Search), du laboratoire (Expand Search), de laboratorio (Expand Search)
laborator de » laboratori de (Expand Search), laboratorio de (Expand Search), laboratoire de (Expand Search)
biologie de » biologie der (Expand Search), biologie du (Expand Search), biologique de (Expand Search)
biologia de » biologia y (Expand Search), psicologia de (Expand Search)
travaux du » travaux de (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: travaux du laborator de recherches ((biologie de) or (biologia de)) l'universidade de madrid~.
• If you are trying to use Boolean operators, they must be ALL CAPS: travaux du laborator de recherches ((biologie de) OR (biologia de)) l'universidade de madrid.
• Adding a wildcard symbol may retrieve word variants: travaux du laborator de recherches ((biologie de) or (biologia de)) l'universidade de madrid*.