Perhaps you should try some spelling variations:
personen communication » personal communication, personal communications, prone communication
information costs » information contents, information centers, information content
developing based » development based, developing asia, developing east
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
der personen » der personalen, per person, und personen
based areas » base areas, based areal, basic areas
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: technologien ad information costs der personen communication costs _ developing based areas.*.