Perhaps you should try some spelling variations:
personalen communications » personal communications, personal communication, personal communicator
communications costs » communication costs, communications _
information costs » information contents, information centers, information content
developing caring » developing coping, developing learning, developing changing
technologies 4 » technologies _
der personalen » der personen, der regionalen
4 information » 2 information, 1 information
caring africa » saving africa, curating africa, banking africa
costs der » costs differ

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information costs der personalen communications costs _ developing caring africa.*.