Perhaps you should try some spelling variations:
oral communication » personal communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
contents map » contents 1, contents _
4 developing » 3 developing
developing e » developing _, developing a, developing east
e africa » em africa, de africa, eu 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 dis information contents map oral communication costs 4 developing e africa.*.