Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information finding » information funding, information mining, information linking
finding based » funding based, lending based, finding case
based mobile » case mobile, based modules, based models
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information finding based mobile communications costs 4 developing 2 areas.*.