Perhaps you should try some spelling variations:
external communication » internal communication, internal communications, personal communication
auf developpement » au developpement, du developpement, ou developpement
variation models » valuation models, evaluation models, variation des
developpement de » developpement des, developpement durable
communication b » communication 3, communication 1, communication 2
from external » term external
models from » model from
b auf » i auf, a auf

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation models from external communication b auf developpement de l'afrique.*.