Perhaps you should try some spelling variations:
oral communication » personal communication
communication 4.1 » communication 4.3, communication 7.1, communication 1
et developpement » de developpement, le developpement, test development
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
des afrique » en afrique, de l'afrique
does oral » does formal, does oil
4.1 et » 4.1 el, 4.1 en, 4.1 ex

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation _ does oral communication 4.1 et developpement des afrique.*.