Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
developing trade » developing trans, development trade, developing trust
des information » des informations, does information, dis information
information 3.1 » information 3.2, information 3.4, information 3.3
4 developing » 3 developing
models oral » modern oral, models model, models order
3.1 models » 3.1 model, 3 models, 3d models
costs 4 » costs _, costs a, costs 4.2
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.1 models oral communication costs 4 developing trade area.*.