Perhaps you should try some spelling variations:
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
developing rates » developing states, developing water, developing cities
des information » des informations, does information, dis information
information 1.2 » information 1.5.2, information 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
why oral » why rural, why deal
1.2 why » 1.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 1.2 why oral communication costs 2.2 developing rates access.*.