Perhaps you should try some spelling variations:
data communication » data communications
et developpement » de developpement, le developpement, test development
variation among » starvation among, formation among, variation von
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
among des » among les, amont des, among heis
l afrique » en afrique
des data » das data, dhs data, dns data
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation among des data communication 3 et developpement l afrique.*.