Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 2.2 » information 1.2, information 2.7, information 2.2.2
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 2.2 _ face communication costs 4 developing a areas.*.