Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
oman communications » human communications, iran communications, romania communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information 1.3 » information 14.3, information 1.2, information 10.4
4 developing » 3 developing
modern oman » modern man, modern human, modern oral
1.3 modern » 1.5 modern, 2.3 modern, 4.3 modern
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 des information 1.3 modern oman communications costs 4 developing _ african.*.