Perhaps you should try some spelling variations:
personalen communication » personal communication, personal communications, personal communicator
information costs » information contents, information centers, information content
technologies bit » technologies art, technologies box, technologies _
bit information » ct information, get information, iot information
developing cpia » developing china, developing asia, developing cil
der personalen » der personen, der regionalen
a developing » a development
costs der » costs differ
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies bit information costs der personalen communication costs a developing cpia africa.*.