Perhaps you should try some spelling variations:
river development » driven development, water development, power development
technologien ad » technologien am, technologien und, technologien als
1 communication » 10 communication, 3 communication, 4 communication
development can » development case, development co, development canada
ad information » d information, nd information, od information
costs river » costs drivers, costs over, costs rise
can africa » urban africa
3.2 a » 3.2 _, 2.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 3.2 a 1 communication costs river development can africa.*.