Perhaps you should try some spelling variations:
personen communication » personal communication, personal communications, prone communication
information costs » information contents, information centers, information content
developing cpia » developing china, developing asia, developing cil
technologies 4 » technologies _
4 information » 2 information, 1 information
und personen » und personelle, der personen
costs und » costs used, costs united, costs edmund

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 und personen communication costs _ developing cpia africa.*.