Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information 2.3.2 » information 2.2.2, information 4.3.2, information 3.2
technologien zur » technologien fur, technologien des, technologien und
developing firms » developing forms, developing fields, developing forest
zur information » fur information, your information, der information
4 developing » 3 developing
a mobile » _ mobile
2.3.2 a » 2.3.2 _, 2.3.2 das
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 zur information 2.3.2 a mobile communications costs 4 developing firms access.*.