Perhaps you should try some spelling variations:
oral communication » personal communication
des developpements » deux developpements, de developpement, et developpements
developpements de » developpement de, developpement des, developpement du
variation plan » variation law, variation a, variation von
ideologien de » ideologien der, ideologie de, ideologie der
de variation » der variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
plan does » plan des, planet does, plan de
does oral » does formal, does oil
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: ideologien de variation plan does oral communication a des developpements de afrique.*.