Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
information 1.3 » information 14.3, information 1.2, information 10.4
non personal » 1 personal, 4 personal, 2 personal
developing 1 » developing _, developing a, developing e
1.3 non » 4.3 non, 5.3 non, 2.3 non
1 areas » 1 area, 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 does information 1.3 non personal communication costa _ developing 1 areas.*.