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

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 1 developpement de afrique.*.