Perhaps you should try some spelling variations:
der informationsbasis » als informationsbasis, der informationsbegriff, der informationsgewinn
informationsbasis 2 » informationsbasis zum
oral communication » personal communication
technologies der » technologies de, technologie der, technologies under
developing a » developing _
a africa » 1 africa, can africa, em africa
co oral » who oral
2 co » _ co, a co, 2 c

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

• Adding a wildcard symbol may retrieve word variants: technologies der informationsbasis 2 co oral communication costs _ developing a africa.*.