Perhaps you should try some spelling variations:
oral communication » personal communication
development water » development master, development matter, development after
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
2.2 development » 3.2 development, 2.3 development, 4.2 development
water access » greater access, better access
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
case we » case who
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 des information case we oral communication costs 2.2 development water access.*.