Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
developing ai » developing a, developing av, developing asia
karen mobile » based mobile, can mobile, case mobile
4 developing » 3 developing
und karen » und karten, und waren, und karnten
ai trends » ii trends, i trends, fdi trends
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 informations und karen mobile communications costs 4 developing ai trends.*.