Perhaps you should try some spelling variations:
power communication » your communication, fiber communication, better communication
de developpement » sme development
developpement de » developpement des, developpement durable
typologies de » typologien der, typologies _, typologie des
de variation » der variation, die variation, does variation
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, l afrique
der power » den power, peer power, dc power
6 der » _ der, 2 der, 3 der
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: typologies de variation 6 der power communication a de developpement de afrique.*.