Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
developpement et » developpement des, developpement de, development east
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
host device » host devices, iot device, host defence
et afrique » en afrique, l afrique
des host » des hofs, his host, new host
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des host device communication a de developpement et afrique.*.