Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
strategy africa » strategy asia
1 development » 2 development, 3.1 development, mena development
new oral » new moral, knew moral, new rural
costs 1 » 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: technologien des information 3.2 new oral communication costs 1 development strategy africa.*.