Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
information 2 » information 3
des personal » des personals, der personal, das personal
developing a » developing _
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
a areas » 1 areas, 2 areas, 4 areas
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 2 des personal communication costs 3.1 developing a areas.*.