Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 3 » information 2
developing a » developing _
des verbal » des verbalen, des verbs, models verbal
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
a africa » 1 africa, can africa, em africa
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 3 des verbal communication costs 2.2 developing a africa.*.