Perhaps you should try some spelling variations:
vote communication » voice communication, ante communication, remote communication
technologien als » technologien des, technologien fur, technologien und
developing roman » developing human, developing asian, developing real
als information » als informations, aids information, laws information
4 developing » 3 developing
roman africa » women africa, human africa, from africa
ccs vote » can vote
3.2 ccs » 3.2 cps, 3.2 case, 3.2 cost
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 3.2 ccs vote communication costs 4 developing roman africa.*.