Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologie und » technologies 2.1
und information » fund information, road information, award information
centre model » centred model, centered model, centric model
3 developing » 3 development
developing a » developing _
model oral » modern oral, novel oral
a africa » 1 africa, can africa, em africa
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: technologie und information centre model oral communication costs 3 developing a africa.*.