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
information 1.2 » information 1.5.2, information 2
developing asia » development asia, developing a
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
why oral » why rural, why deal
1.2 why » 1.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 1.2 why oral communication costs 3.5 developing asia across.*.