Perhaps you should try some spelling variations:
communication modell » communication model, communications models, communication modes
true communication » truth communication, time communication, stroke communication
developpement de » developpement des, developpement durable
2.1 integration » 4.1 integration, 2.2 integration, 3.1 integration
d developpement » de developpement, du developpement, le developpement
technology 2.1 » technology 2.2, technology 3.1, technology 1
de afrique » de l'afrique, en afrique, l afrique
modell d » modell 1, modell 2, modell 4

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 integration 3 _ true communication modell d developpement de afrique.*.