Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
does data » does cat
6 does » 16 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation 6 does data communications _ et developpement de l'afrique.*.