Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien und » technologie und, technologien des, technologien fur
information cost » information costs, information lost, information case
und information » fund information, road information, award information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing ai » developing a, developing av, developing asia
14 mobile » 4 mobile, 1 mobile, 12 mobile
costs 2.3 » costs 4.2, costs 4.4
ai africa » ii africa, can africa, 1 africa
cost 14 » cost 4, cost 12, cost 15

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

• Adding a wildcard symbol may retrieve word variants: technologien und information cost 14 mobile communications costs 2.3 developing ai africa.*.