Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
aids information » chandos information, series information
developing 2 » developing _, developing a, developing e
based dm » based dna, based ndc, based na
dm face » dem fach, der face, die face
2 areas » 1 areas, 2 areal, 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 based dm face communication costs _ developing 2 areas.*.