Perhaps you should try some spelling variations:
data communication » data communications
le developpement » de developpement, sme development
developpement la » developpement de, developpement et, developpement du
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 2.1 » variation 4.1, variation 8.1, variation 2.6.1
la afrique » l afrique, la fabrique, en afrique
cost data » test data
2.1 cost » 2.1 case
media le » media love, media age, media law

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation 2.1 cost data communication media le developpement la afrique.*.