Perhaps you should try some spelling variations:
mobile communications » mobile communication
information officers » information services
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
13 developing » 1.3 developing, 3 developing, 1 developing
officers 1 » officers _, offices 1, officer _
1 mobile » _ mobile, a mobile, 2 mobile
costs 13 » costs 1, costs 3, costs 12.3

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information officers 1 mobile communications costs 13 developing _ africa.*.