Perhaps you should try some spelling variations:
4.3 information » 1 information
information und » informations und
3 communication » 4 communication, de communication, data communication
technology 4.3 » technology 2.3, technology 3.3, technology 4.1
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
und debate » un debate, und debatten, under debate
em africa » 1 africa
debate 3 » debate _, debate 4, debate a
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: technology 4.3 information und debate 3 communication costs 4 developing em africa.*.