Perhaps you should try some spelling variations:
information kontext » information content, information contents, information centers
oral communication » personal communication
developing urban » development urban, developing human, developing areas
technologies a » technologies _, technologies 4, technologies 2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
a information » 2 information, 1 information
urban africa » urban area
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
der oral » der moral, der ort, der orte

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

• Adding a wildcard symbol may retrieve word variants: technologies a information kontext der oral communication costs 2.2 developing urban africa.*.