Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologies varies » technologies series, technologies barriers, technologies value
varies information » various information, series information, paris information
2 developing » 3 developing, 4 developing, 2 development
developing a » developing _
costs 2 » costs 20, costs _, costs 4
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies varies information _ und mobile communications costs 2 developing a areas.*.