Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien ad » technologien am, technologien und, technologien als
information 5.2 » information 15.2, information 1.2, information 5.4
ad information » d information, nd information, od information
developing 2 » developing _, developing a, developing e
de personal » der personal, des personal, de persona
2 areas » 1 areas, 2 areal, 4 areas
5.2 de » 5.2 die, 5.2 der, 5.2 den

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 5.2 de personal communication costs _ developing 2 areas.*.