Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1.3 » communication 3.3, communication 4.3, communication 1.1
des developpement » des developpements, de developpement, le developpement
typologie its » typologie des, typologie et, typologie cices
its variation » its variations, does variation, les variations
variation der » variation des, variation bei, variation _
des l'afrique » de l'afrique, de l'amerique
models oral » modern oral, models model, models order
der models » order models, der modelle, peer models
1.3 des » 1.3 das, 1.3 der, 1.3 den

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

• Adding a wildcard symbol may retrieve word variants: typologie its variation der models oral communication 1.3 des developpement des l'afrique.*.