Perhaps you should try some spelling variations:
oral communication » personal communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
information 1.2 » information 1.5.2, information 2
developing base » developing based, developing east, developing brain
a developing » a development
base areas » basic areas, based areal, basin areas
1.2 book » 1.4 book, 1.5 book, 1.6 book
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 does information 1.2 book oral communication costs a developing base areas.*.