Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
der personal » der personalen, der personen, der person
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 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 personal communication costs 4 developing 1 areas.*.