Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
ideas device » ideas review
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
6 ideas » _ ideas, 2 ideas, 3 ideas
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 6 ideas device communication a de developpement des afrique.*.