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
information 1 » information 2, information 3, information 3.2
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
der verbal » des verbal, der verbalen, der verband
2 access » 3 access
costs 4 » costs _, costs a, costs 4.2
1 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 1 der verbal communication costs 4 developing 2 access.*.