Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
information 5.2 » information 15.2, information 1.2, information 5.4
technologien d » technologien ad, technologien _, technologien 1
d information » nd information, od information, und information
developing 2 » developing _, developing a, developing e
de persona » de personal, de personas, die 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 d information 5.2 de persona communication costs _ developing 2 areas.*.