Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
methodology method » methodology methods, methodology metrics, methodology methodology
method information » author information, method innovation, metric information
information 2 » information 3
development 4 » development 1
des mobile » does mobile, das mobile, less mobile
costs a » costs _, costs 4
4 areas » 1 areas, 2 areas, 4 areal
2 des » 2 der, 2 das, a des

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

• Adding a wildcard symbol may retrieve word variants: methodology method information 2 des mobile communications costs a development 4 areas.*.