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 16.3 » information 1.3, information 14.3, information 11.3
non personal » 1 personal, 4 personal, 2 personal
developing 4 » developing _, developing a, developing e
16.3 non » 1.3 non, 13.3 non, 15.3 non
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 16.3 non personal communication costa _ developing 4 areas.*.