Perhaps you should try some spelling variations:
communications models » communication model, communication modes, communicating model
information 2.3.1 » information 2.3.2, information 5.3.1, information 2.3.3
14 communications » 10 communications, 14 communication, 4 communications
technologies von » technologies co, technologies box, technologies can
von information » von informationen, can information
d developpement » de developpement, du developpement, le developpement
des afrique » en afrique, de l'afrique
2.3.1 der » 2.3.1 die
models d » models 1, models 3, models 2
der 14 » der 104, der 148, der 10

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

• Adding a wildcard symbol may retrieve word variants: technologies von information 2.3.1 der 14 communications models d developpement des afrique.*.