Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
de developpement » sme development
developpement de » developpement des, developpement durable
variation being » variation bei, variation using, variation among
apologien der » typologien der, apologie des, ideologien der
der variation » de variation, does variation, die variation
des verbal » des verbalen, des verbs, models verbal
being des » being does, being dead, being design
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: apologien der variation being des verbal communication a de developpement de l'afrique.~.