Perhaps you should try some spelling variations:
personen communication » personal communication, personal communications, prone communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
der personen » der personalen, per person, und personen
4 developing » 3 developing
developing e » developing _, developing a, developing east
costs 4 » costs _, costs a, costs 4.2
e areas » 1 areas, 2 areas, 4 areas
und » fund

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations und der personen communication costs 4 developing e areas.*.