Perhaps you should try some spelling variations:
oral communication » personal communication
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
developing a » developing _
contents je » contents key, contents 1, contents _
a africa » 1 africa, can africa, em africa
je oral » new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies can information contents je oral communication costs _ developing a africa.*.