Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
variation der » variation des, variation bei, variation _
typologies 3 » typologies _, typologies 2.3, typologies 3.2
3 variation » 3 variations, 2 variation, 4 variation
sar data » war data, fair data, user data
der sar » der saar, der sars, der saa

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

• Adding a wildcard symbol may retrieve word variants: typologies 3 variation der sar data communications _ des developpement en afrique.*.