Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
information 4.2.4 » information 14.2.4, information 4.1.4, information 4.2.2
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
4 developing » 3 developing
4.2.4 add » 3.2.4 add, 4.2.4 land, 4.2.4 arm
add face » a face, ai face
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 4.2.4 add face communication costs 4 developing _ areas.*.