Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
developing asia » development asia, developing a
information 1 » information 2, information 3, information 3.2
state mobile » staff mobile, state mobilized, state model
4 developing » 3 developing
asia trends » area trends, africa trends, china trends
1 state » 2 state, 3 state
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 dis information 1 state mobile communications costs 4 developing asia trends.*.