Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
communication modell » communication model, communications models, communication modes
integrating world » integrated world, integrating area, integrating land
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
4 integrating » _ integrating
technology 4 » technology _, technology 1, technology 3
3 vertical » _ vertical, 6 vertical, 2 vertical
modell du » model du, modell d, modell zu
world 3 » world _, world a, world 1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrating world 3 vertical communication modell du developpement en afrique.*.