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
developing rates » developing states, developing water, developing cities
information can » information case, information 1, information 1.2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
rates access » water access, rails access, greater access
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
we oral » new oral, who oral, why oral

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

• Adding a wildcard symbol may retrieve word variants: technologien does information can we oral communication costs 2.2 developing rates access.*.