Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information century » information centers, information centre, information center
technologie und » technologies 2.1
und information » fund information, road information, award information
models personal » model personal, des personal, roles personal
century models » center models, century motets, century mothers
4 developing » 3 developing
developing 3 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
3 area » 1 area, 1.3 area, 3.1 area

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

• Adding a wildcard symbol may retrieve word variants: technologie und information century models personal communication costs 4 developing 3 area.*.