Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centers » information contents, information officers
technologies do » technologies de, technologies box, technologies daf
do information » 2 information, 1 information, 3 information
kiel personal » skill personal, kohl personal, skills personal
centers kiel » centers help, centers ihc, centers real
2 developing » 3 developing, 4 developing, 2 development
developing a » developing _
a africa » 1 africa, can africa, em africa
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies do information centers kiel personal communication costs 2 developing a africa.*.