Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
contents 1.1 » contents 10.1, contents 11.1, contents 12.1
developing v » developing av, developing _, developing a
v africa » 1 africa, em africa
1.1 et » 1.1 el, 1.1 eu

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information contents 1.1 et communication cost 2.4 developing v africa.*.