Perhaps you should try some spelling variations:
real communication » oral communication, cell communication, health communication
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing em » developing e, developing eq, developing amp
contents 3.3 » contents 3.1, content 3.3, contexts 3.3
em africa » 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents 3.3 real communication cost 2.4 developing em africa.*.