Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
technologien nd » technologien und, technologien ad, technologie und
developing base » developing based, developing east, developing brain
nd information » und information, d information, od information
a developing » a development
base areas » basic areas, based areal, basin areas
best oral » best deal
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information case best oral communication costs a developing base areas.*.