Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information 4.3.3 » information 3.3, information 4.2, information 1.5.2
technologien zur » technologien fur, technologien des, technologien und
zur information » fur information, your information, der information
developing port » developing post, developing export, developing exports
3 developing » 3 development
de mobile » die mobile, e mobile, does mobile
4.3.3 de » 4.3.3 die, 4.3.3 der, 4.3.3 den
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information 4.3.3 de mobile communications costs 3 developing port access.*.