Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication modell » communication model, communications models, communication modes
developpement en » developpement et, developpement des, developpement de
der integration » zur integration, sector integration
4 developpement » de developpement, le developpement, et developpement
technology der » technology does, technology 4ir, technology dlt
modell 4 » modell 1, modell 2

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

• Adding a wildcard symbol may retrieve word variants: technology der integration 3 _ verbal communication modell 4 developpement en afrique.*.