Perhaps you should try some spelling variations:
oral communication » personal communication
communication 3.2 » communication 3.3, communication 3.4, communication 2
dem developpement » de developpement, des developpements, le developpement
developpement de » developpement des, developpement durable
variation being » variation bei, variation using, variation among
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
being des » being does, being dead, being design
des oral » des moral, des oil, des orts
3.2 dem » 3.2 der, 3.2 des, 3.2 det

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation being des oral communication 3.2 dem developpement de l'afrique.*.