Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information banken » information bank, information banks, information based
developing areas » developing asia, developing east, developing a
technologies 4 » technologies _
4 information » 2 information, 1 information
a developing » a development
banken bei » banken b, banken den, banken i
bei mobile » bei mobilen, being mobile, b mobile
areas age » areas case, areas a, areas act
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information banken bei mobile communications costs a developing areas age.*.