Perhaps you should try some spelling variations:
formal communication » informal communication, oral communication, moral communication
developpement de » developpement des, developpement durable
d developpement » de developpement, du developpement, le developpement
ideologien der » ideologie der, ideologie des, ideologie de
der variation » de variation, does variation, die variation
does formal » loss formal, does formality, des formalen
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: ideologien der variation _ does formal communication a d developpement de afrique.*.