Perhaps you should try some spelling variations:
personal communication » interpersonal communication
informations centers » information centers, information center, information centre
technologien a » technologien am, technologien ad, technologien _
a informations » a information, 2 informations, 3 informations
developing 11 » developing _, developing a, developing e
can personal » plan personal, non personal, c personal
3 developing » 3 development
centers can » center can, centers case, centers rain
11 africa » 11 african, 1 africa, 1.1 african
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien a informations centers can personal communication costs 3 developing 11 africa.*.