Perhaps you should try some spelling variations:
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
developing state » developing states, developing stable, developing strategy
fur information » zur information, fair information, your information
information 2 » information 3
4 developing » 3 developing
state africa » trade africa
models oral » modern oral, models model, models order
2 models » 2 model
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 fur information 2 models oral communication costs 4 developing state africa.*.