Perhaps you should try some spelling variations:
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
informations can » information can, informations und, informations sur
developing rates » developing states, developing water, developing cities
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
who oral » who deal
can who » man who, can why, can when

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations can who oral communication costs 2.2 developing rates access.*.