Perhaps you should try some spelling variations:
african communication » africa communications, vertical communication, optical communication
communication modell » communication model, communications models, communication modes
integrated world » integrating world, integrated child, integrated water
d developpement » de developpement, du developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
2.2 integrated » 2.2 integration, 1 integrated, 3 integrated
des afrique » en afrique, de 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 2.2 integrated world _ african communication modell d developpement des afrique.*.