Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
de developpement » sme development
developpement de » developpement des, developpement durable
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
de afrique » de l'afrique, en afrique, l afrique
des ddr » der ddr, des dr, dem ddr

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation des ddr voice communications _ de developpement de afrique.*.