Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien aids » technologien als, technologien ad, technologien des
development state » development stage, developmental state, redevelopment state
aids information » chandos information, series information
information 3 » information 2
4 development » 2 development, 4 developing
state africa » trade africa
costs 4 » costs _, costs a, costs 4.2
3 non » _ non, a non, 3 von

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 non verbal communication costs 4 development state africa.*.