Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien zur » technologien fur, technologien des, technologien und
zur information » fur information, your information, der information
developing east » development east, developing a, developing asia
centers kwee » centuries kwee, centers case
4 developing » 3 developing
east africa » west africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information centers kwee oral communication costs 4 developing east africa.*.