Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
contents 13.2 » contents 3.2, contents 3.1, contents 1.1
4 developing » 3 developing
developing v » developing av, developing _, developing a
13.2 mobile » 10.2 mobile, 3.3.2 mobile, 1.1 mobile
v africa » 1 africa, em africa
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien und information contents 13.2 mobile communication cost 4 developing v africa.*.