Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements 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
saar data » sar data, spar data, star data
der saar » der saale

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 saar data communications _ des developpements en afrique.*.