Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement de » developpement des, developpement durable
variation plan » variation law, variation a, variation von
ideologien de » ideologien der, ideologie de, ideologie der
de variation » der variation, die variation, does variation
plan tones » plan does, plan eines, plan types
tones oral » tones social
de afrique » de l'afrique, en afrique, l afrique
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: ideologien de variation plan tones oral communication a de developpement de afrique.*.