Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
developpements en » developpement en, developpement et, developpements de
variations der » variation der, variations des, variationen der
typologies 3 » typologies _, typologies 2.3, typologies 3.2
3 variations » _ variations, 2 variations, 1 variations
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 variations der sar data communications _ des developpements en afrique.*.